How many RVs can you sell before you need a dealer license? As few as 3 in six states, including Florida
We read dealer licensing statutes and motor vehicle agency pages for every state and DC to find how many vehicles a private person can sell in a year before the law treats them as an unlicensed dealer. We confirmed a number in 36 states, and in 13 states and DC the law sets none. The trigger ranges from 3 sales in Colorado, Florida, Hawaii, Maryland, Utah and Wyoming to 12 in Indiana and Vermont, and in several states RVs fall under separate rules.
By the RV Dealerships research desk · Published October 25, 2026
Key findings
- Six states set the lowest bar we found: 3 vehicles a year. Colorado, Florida, Hawaii, Maryland, Utah and Wyoming. In Maryland, even offering 3 for sale creates the presumption.
- Five is the most common trigger, used in 16 states, including Alabama, Alaska, Arkansas, Louisiana, New Hampshire, New Mexico, North Carolina, Rhode Island, Texas and Virginia.
- Indiana and Vermont are the most lenient: Indiana requires a used dealer license at 12 vehicles in 12 months, and Vermont's car dealer rule starts at 12 sales a year.
- RVs count toward the limit in 14 of the 36 states with a number, including Indiana, New York, Tennessee and Texas, where trailers or RVs are counted with cars.
- Florida takes RVs out of its car dealer rule entirely and licenses RV dealers separately; Iowa, Kentucky, Mississippi, Nevada, North Dakota, Washington and West Virginia also have separate RV or trailer dealer rules.
- 13 states and DC set no number in the law we read, including California, Georgia, Mississippi, Pennsylvania and Washington, so the question is whether you are "in the business". Georgia's Secretary of State says the often-quoted "5 cars a year" is only a tax-agency screening flag.
The limits at a glance
Each dot is the sale at which a state's law requires a dealer license or presumes you are acting as one. Selling one fewer than that number is generally safe if the vehicles are titled in your name and you bought them for your own use. Selling cars and RVs bought to flip, at any number, is dealing in most states, and so is selling a vehicle not titled in your name.
Where RVs and trailers fit
Most dealer laws were written for cars, and states handle RVs in different ways. Some count every titled vehicle, so selling a travel trailer and two cars adds up to three sales. Others pull RVs into their own licensing category. Florida's dealer definition excludes recreational vehicles outright, Kentucky's excludes them and regulates RV dealers in a separate chapter, and South Carolina's excludes new RVs.
The full state table
"Trigger" is the sale that brings the dealer rule into play. "Private sales allowed" is one fewer. Each row links to the statute or agency page we read. "None stated" means the law we read sets no number; Missouri's row says "Not confirmed" because its 8-sale rule is a licensing test, not a private-seller limit.
| Alabama | 5 | 4 | Dealing in 5 or more vehicles not previously titled or registered in your name makes you a used motor vehicle dealer; vehicles titled in your name don't count | Calendar year | Yes. Titled trailers count; trailers that don't need a title are excluded | Ala. Code § 40-12-390 |
| Alaska | 5 | 4 | Selling or arranging the sale of 5 or more vehicles defines a dealer; vehicles you actually used yourself or for family use are excluded | Any 12 consecutive months | Not confirmed. Counts motor vehicles that must be registered | AS 08.66.350 |
| Arizona | 7 | 6 | 7 or more used vehicles defines a used motor vehicle dealer | Continuous 12 months | Motor homes are motor vehicles; trailer dealers are defined separately | A.R.S. § 28-4301 |
| Arkansas | 5 | 4 | Selling or attempting to sell 5 or more used vehicles creates a rebuttable presumption of dealing; offering or advertising a vehicle counts as a sale. A vehicle titled in your name and used only as a personal vehicle is excluded | Calendar year | Counts motor-driven vehicles; trailers are not in the definition | Ark. Code 23-112-602 (Arkansas State Police statute PDF) |
| California | None stated | None stated | No number in the definition. Selling a vehicle you acquired and used in good faith for personal or business use is excluded | None stated | Yes. The dealer definition covers registered vehicles and trailers subject to identification | Cal. Veh. Code § 285; § 286 |
| Colorado | 3 | 2 | Selling 3 or more used vehicles (or offering more than 3 from one address or phone number) is prima facie evidence of dealing | Calendar year | Not confirmed | Colorado Auto Industry Division, quoting C.R.S. 44-20-102 |
| Connecticut | None stated | None stated | No number in the definition: a used car dealer is anyone engaged in the business of selling used motor vehicles | None stated | Not confirmed | Conn. Gen. Stat. §§ 14-51, 14-52 |
| Delaware | 5 | 4 | Buying, selling or offering 5 or more vehicles makes you a dealer | 12 months | Yes. "Vehicle" includes recreational vehicles and recreational trailers | 21 Del. C. ch. 63 |
| District of Columbia | None stated | None stated | No number. A dealer is anyone "engaged in the business" of buying, selling or dealing in motor vehicles or trailers, and only registered dealers may carry on that business. A separate law makes anyone who sells 5 or more vehicles a year keep buyer records, but it is not a license trigger | None stated | Yes. The dealer definition covers motor vehicles and trailers | D.C. Code § 50-1501.01(5); 18 DCMR 500.2; 18 DCMR 9901; D.C. Code § 50-1501.31 |
| Florida | 3 | 2 | Selling or offering 3 or more is presumed to be dealing | Any 12 months | No. RVs are excluded from the motor vehicle dealer definition; RV dealers hold a separate license (s. 320.771) | Fla. Stat. 320.27 |
| Georgia | None stated | None stated | No number. The Secretary of State says selling with intent to profit requires a license, and that "5 cars a year" is only a Department of Revenue screening flag. Selling a car titled in your name that you drove personally needs no license | None stated | Not confirmed | Georgia Secretary of State: used motor vehicle dealer FAQ (O.C.G.A. 43-47-2) |
| Hawaii | 3 | 2 | Anyone who sells 3 or more vehicles is a dealer | Calendar year | Partly. Trailers are excluded from the dealer law's motor vehicle definition | HRS § 437-1.1 |
| Idaho | 5 | 4 | A dealer license is required at 5 or more titled vehicles or vessels | Calendar year | Yes. Counts any vehicle or vessel that must be titled | Idaho Transportation Dept.: vehicle dealers |
| Illinois | 5 | 4 | Selling 5 or more used vehicles requires a used vehicle dealer license | During the year | Counts used vehicles of any make; house trailers are carved out | 625 ILCS 5/5-102 |
| Indiana | 12 | 11 | Selling, offering or advertising at least 12 used vehicles requires a used dealer license | 12 months | Yes. The count includes trailers and recreational vehicles | Indiana Secretary of State: dealer license (IC 9-32) |
| Iowa | 7 | 6 | Selling more than 6 at retail may be presumed to be in the business | 12 months | Iowa issues a separate towable RV dealer license | Iowa Code § 322.2; Iowa DOT: towable RV dealer license |
| Kansas | 5 | 4 | Selling 5 or more requires a dealer license | Calendar year | Yes. Kansas dealer rules cover travel trailers and trailers | Kansas DOR: dealer licensing; Kansas DOR Pub. KS-1526 |
| Kentucky | None stated | None stated | No number in the definition: a motor vehicle dealer is anyone engaged in the business of selling vehicles or holding them for resale | None stated | No. "Motor vehicle" in the dealer law excludes recreational vehicles; RV dealers fall under a separate chapter (KRS ch. 190A) | KRS 190.010 |
| Louisiana | 5 | 4 | Selling 5 or more used vehicles creates a presumption of dealing; vehicles registered to and insured by you or your household don't count | Any 12 months | Counts motor-driven vehicles; trailers are not in the definition | La. R.S. 32:781 |
| Maine | None stated | None stated | No number in the definition: a dealer is a person engaged in the business with an established place of business | None stated | Not confirmed | 29-A M.R.S. § 851 |
| Maryland | 3 | 2 | Offering 3 or more is presumed to be buying for resale | Any 12 months | Not confirmed | Md. Transp. Code § 15-101 |
| Massachusetts | 4 | 3 | Selling more than 3 used vehicles in 12 months means you are deemed in the business of selling used vehicles (used vehicle warranty law); the dealer license law (c. 140, § 57) sets no number | Preceding 12 months | Partly. The warranty law's vehicle definition excludes auto homes (motor homes) | M.G.L. c. 90, § 7N¼; M.G.L. c. 140, § 57 |
| Michigan | 5 | 4 | Dealing in 5 or more creates a rebuttable presumption of being in the business | 12 months | Yes. Counts vehicles of a type required to be titled | MCL 257.11 |
| Minnesota | 6 | 5 | Up to 5 sales count as casual sales; more than 5 requires a license | 12 months | Yes. "Motor vehicle" in the dealer law includes park trailers | Minn. Stat. § 168.27; Minnesota DVS: dealers |
| Mississippi | None stated | None stated | No number for private sellers. The dealer tag permit law excludes people selling vehicles bought in good faith for their own use and actually used; a licensed dealer must buy and sell at least 24 vehicles of one type a year to qualify for dealer tags | None stated | Trailers, semitrailers and house trailers are a separate type, with a trailer-only dealer permit, and new RV dealers must also be licensed by the Motor Vehicle Commission (63-17-201) | Miss. Code 27-19-303 (Miss. DOR Dealer Tag Permit Law booklet), 63-17-201 (MMVC PDF) |
| Missouri | Not confirmed | Not confirmed | The statute requires 8 or more motor vehicle or trailer sales a year as evidence that a dealer is eligible for licensure; we did not find a separate private-seller limit | Calendar year | The 8-sale evidence rule counts motor vehicles and trailers together | RSMo 301.550 |
| Montana | None stated | None stated | No number: a license is required to sell vehicles that are not registered in your own name, at any count | None stated | Yes. Travel trailers and trailers are listed in the dealer definition | MCA 61-4-101; MCA 61-1-101 |
| Nebraska | None stated | None stated | No number in the definition: a dealer is anyone, other than a bona fide consumer, actively and regularly engaged in selling vehicles | None stated | The definition covers motor vehicles and trailers | Neb. Rev. Stat. § 60-1401.26 |
| Nevada | 4 | 3 | Selling not more than 3 personally owned vehicles is exempt; the 4th needs a license | 12 months | Nevada also licenses trailer dealers separately | NRS 482.020 (chapter 482) |
| New Hampshire | 5 | 4 | Selling 5 or more vehicles at retail to the public makes you a retail vehicle dealer | Consecutive 12 months | Not confirmed | RSA 259:89-a |
| New Jersey | None stated | None stated | No number: the Motor Vehicle Commission's rules define a dealer as anyone engaged in the business of buying, selling or dealing in motor vehicles | None stated | Not confirmed | N.J.A.C. 13:21-15 (NJ MVC dealer regulations, PDF) |
| New Mexico | 5 | 4 | Casual sales of your own vehicles are excluded from the dealer definition; a casual sale is one by a registered owner who has not sold more than 4 vehicles that year | Calendar year | The dealer definition covers trailers subject to registration; the casual-sale definition is written for motor vehicles | NMSA 66-1-4.3(D) and 66-1-4.4(C) (NMOneSource, ch. 66 PDF) |
| New York | 6 | 5 | Selling or offering more than 5 vehicles bought for resale makes you a dealer (so does displaying 3 or more at once) | Calendar year | Yes. Counts motor vehicles and trailers; mobile homes are excluded | N.Y. Veh. & Traf. Law § 415 |
| North Carolina | 5 | 4 | Selling or offering 5 or more requires a dealer license | Any 12 consecutive months | Yes. "Motor vehicle" includes trailers and semitrailers that must be registered | N.C. Gen. Stat. § 20-286 |
| North Dakota | None stated | None stated | No number in the definition: a dealer is anyone engaged in the business of buying, selling or exchanging motor vehicles, or buying them for resale | None stated | Separate. The motor vehicle dealer chapter does not apply to house car (motor home) dealers, and trailer dealers are licensed under ch. 39-22.1 | N.D.C.C. § 39-01-01; N.D.C.C. ch. 39-22 |
| Ohio | 6 | 5 | More than 5 casual sales requires a dealer license | 12 months | Not confirmed | Ohio Rev. Code 4517.02 |
| Oklahoma | None stated | None stated | No number in the definition: a used motor vehicle dealer is anyone who sells used vehicles for profit or is engaged in the business | None stated | Not confirmed | 47 O.S. § 581 |
| Oregon | 6 | 5 | More than 5 shifts the burden to you to prove personal use | Calendar year | Yes. Counts vehicles of all kinds; Oregon also has separate RV dealer provisions | ORS chapter 822 (ORS 822.015) |
| Pennsylvania | None stated | None stated | No number in the definition: a dealer is anyone engaged in the business of buying, selling or exchanging vehicles | None stated | Not confirmed | Board of Vehicles Act, § 2 definitions (Act 84 of 1983) |
| Rhode Island | 5 | 4 | Selling more than 4 vehicles makes you a motor vehicle dealer | Calendar year | Not confirmed | R.I. Gen. Laws § 31-5-5 |
| South Carolina | 6 | 5 | More than 5 makes you a dealer | Calendar year | Partly. New RVs are excluded from the motor vehicle definition | S.C. Code ch. 56-15 |
| South Dakota | 5 | 4 | Selling fewer than 5 is exempt from dealer licensing | 12 months | Yes. Counts vehicles and boats | South Dakota DOR: dealer licenses |
| Tennessee | 6 | 5 | Selling or offering more than 5 motor vehicles requires a dealer license | One year | Yes. The Motor Vehicle Commission says the count includes RVs | Tennessee Motor Vehicle Commission: dealer license |
| Texas | 5 | 4 | Selling or offering fewer than 5 vehicles of the same type that are owned and registered in your name is excluded from the dealer license (GDN) requirement | Calendar year | Yes. "Vehicle" includes motor vehicles, house trailers and trailers; the count is per vehicle type | Tex. Transp. Code § 503.024 |
| Utah | 3 | 2 | Selling, displaying or offering 3 or more vehicles, as part of a business that sells vehicles, defines a dealer | Any 12 months | Partly. Travel trailers and trailers count; park model RVs and mobile homes are excluded | Utah Code § 41-3-102 |
| Vermont | 12 | 11 | "Engaged in the business" means at least 12 cars or trucks | Preceding year (or 24 in two years) | Counts cars and motor trucks; RVs not addressed | 23 V.S.A. § 4(8) |
| Virginia | 5 | 4 | Offering or selling 5 or more is presumed to be a dealer | Any 12 consecutive months | Not confirmed | Va. Code § 46.2-1500 |
| Washington | None stated | None stated | No number in the definition; an "isolated sale" by the owner is exempt | None stated | Recreational vehicle dealers are a separate dealer class | RCW 46.70.011 |
| West Virginia | 10 | 9 | 10 or more used vehicles (5 or more new) defines a dealer | Fiscal year | Trailer and house trailer dealers are separate categories | W. Va. Code § 17A-6-1 |
| Wisconsin | 6 | 5 | Selling or offering 5 or fewer used vehicles titled in your name is exempt from dealer licensing (state rule); the statutory definition itself has no number | 12 months | Not confirmed | Wis. Admin. Code Trans 138.025; Wis. Stat. § 218.0101 |
| Wyoming | 3 | 2 | Buying and selling, or exchanging at retail, 3 or more vehicles defines a vehicle dealer | Any 12 consecutive months | Yes. "Vehicle" covers any device that carries people or property on a highway, so trailers and motor homes count | W.S. 31-16-101 (Title 31 PDF) |
Read October 24-25, 2026. Applies to vehicles titled in the seller's name and bought for personal use. Not legal advice. Download this table (CSV)
Why curbstoning matters to RV buyers
"Curbstoning" is selling vehicles as a business while posing as a private seller. For a buyer, the risk is that the usual protections disappear: no dealer bond to claim against, no dealer license to complain to, and sometimes a title that was never transferred to the seller. RVs are a common target because they are expensive, sit for long periods and are often sold through listings.
- Match the name on the title to the seller's ID. A title signed by someone else (an "open" title) is a red flag in every state.
- Search the phone number in other listings. The same number on several RVs usually means a dealer.
- Ask how long they owned it and why they are selling. Get the service records.
- Pay an independent inspector before money changes hands, and do the title transfer at the DMV or a tag agency together.
- If it looks like a business, buy from a business. A licensed used RV dealer or consignment dealer handles the title and is regulated.
What it means if you are selling
- Count every titled vehicle you sell, not just RVs, in states that count them together.
- Keep the paper trail: title in your name, registration history and proof you used the rig.
- Consider consignment or a dealer buy offer if you are moving several units. Dealers that buy RVs and consignment lots stay inside the law for you.
- Check the tax side too. Private sales are taxed differently from dealer sales in many states. See our RV sales tax guide.
The infographic
Free to use with a link. Publish the graphic or the numbers anywhere, as long as you credit RV Dealerships with a link to this page.
How we did this
- On October 24-25, 2026 we read state dealer licensing statutes on official legislature websites and, where the statute was not available, the state motor vehicle agency's dealer licensing page or published rules. Each row cites what we read.
- "Trigger" is the number of sales (or offers, where the law counts offers) at which the state requires a license or presumes dealing. Where a statute says "more than five", the trigger is 6.
- We marked RVs as counted when the dealer law's vehicle definition plainly includes RVs or trailers, as carved out when the definition excludes some RV types, and as separate when the state licenses RV or trailer dealers in a distinct category.
- On October 25, 2026 we closed the last two open rows from official agency copies of the statutes. For Arkansas we read Ark. Code 23-112-602 in the statute PDF the Arkansas State Police (which licenses used dealers) publishes on its dealer license page. For Mississippi we read the Dealer Tag Permit Law (Miss. Code 27-19-301 et seq.) in the Department of Revenue's dealer booklet and the Motor Vehicle Commission's statute PDFs; they set no private-seller number, and the 24-sale rule in 27-19-303 is a dealer tag eligibility test. Both states publish their codes only through a commercial viewer we did not use, so a number could still sit elsewhere in their law. New Mexico's limit comes from the Compilation Commission's official chapter 66 PDF. 13 states (California, Connecticut, Georgia, Kentucky, Maine, Mississippi, Montana, Nebraska, New Jersey, North Dakota, Oklahoma, Pennsylvania and Washington) and the District of Columbia have no number in the law we read, and Missouri's 8-sale rule is a licensing eligibility test rather than a private-seller limit; it is the only row still marked "Not confirmed". For the District of Columbia we read the D.C. Code on code.dccouncil.gov (Title 50) and the DMV dealer rules in 18 DCMR chapters 5 and 99 on dcregs.dc.gov on October 25, 2026. None sets a number of sales; the only count is the 5-vehicle record-keeping rule in D.C. Code § 50-1501.31, which we did not treat as a license trigger.
- Some limits come from rules or agency pages rather than the statute itself: Colorado, Indiana and Tennessee (agency pages), Wisconsin (administrative code) and Massachusetts (the used vehicle warranty law). Louisiana and Alabama count only vehicles not registered or titled in the seller's name, and Arkansas excludes vehicles titled to the seller and used only as personal vehicles.
- Thresholds describe personal vehicles titled in the seller's name. They do not protect anyone who buys vehicles to resell them.
Sources
- A.R.S. § 28-4301, accessed October 25, 2026
- 21 Del. C. ch. 63, accessed October 25, 2026
- Fla. Stat. 320.27, accessed October 25, 2026
- Idaho Transportation Dept.: vehicle dealers, accessed October 25, 2026
- 625 ILCS 5/5-102, accessed October 25, 2026
- Iowa Code § 322.2, accessed October 25, 2026
- Kansas DOR: dealer licensing, accessed October 25, 2026
- Kansas DOR Pub. KS-1526, accessed October 25, 2026
- 29-A M.R.S. § 851, accessed October 25, 2026
- Md. Transp. Code § 15-101, accessed October 25, 2026
- MCL 257.11, accessed October 25, 2026
- Minn. Stat. § 168.27, accessed October 25, 2026
- Minnesota DVS: dealers, accessed October 25, 2026
- RSMo 301.550, accessed October 25, 2026
- NRS 482.020 (chapter 482), accessed October 25, 2026
- N.C. Gen. Stat. § 20-286, accessed October 25, 2026
- Ohio Rev. Code 4517.02, accessed October 25, 2026
- ORS chapter 822 (ORS 822.015), accessed October 25, 2026
- S.C. Code ch. 56-15, accessed October 25, 2026
- South Dakota DOR: dealer licenses, accessed October 25, 2026
- 23 V.S.A. § 4(8), accessed October 25, 2026
- Va. Code § 46.2-1500, accessed October 25, 2026
- RCW 46.70.011, accessed October 25, 2026
- W. Va. Code § 17A-6-1, accessed October 25, 2026
- Wis. Stat. § 218.0101, accessed October 25, 2026
- Iowa DOT: towable RV dealer license, accessed October 25, 2026
- Tex. Transp. Code ch. 503 (§§ 503.001, 503.024), accessed October 25, 2026
- Conn. Gen. Stat. §§ 14-51, 14-52, accessed October 25, 2026
- M.G.L. c. 90, § 7N¼, accessed October 25, 2026
- M.G.L. c. 140, § 57, accessed October 25, 2026
- N.H. RSA 259:89-a, accessed October 25, 2026
- R.I. Gen. Laws § 31-5-5, accessed October 25, 2026
- N.Y. Veh. & Traf. Law § 415, accessed October 25, 2026
- Utah Code § 41-3-102, accessed October 25, 2026
- 47 O.S. § 581, accessed October 25, 2026
- KRS 190.010, accessed October 25, 2026
- La. R.S. 32:781, accessed October 25, 2026
- Neb. Rev. Stat. § 60-1401.26, accessed October 25, 2026
- N.D.C.C. § 39-01-01, accessed October 25, 2026
- N.D.C.C. ch. 39-22, accessed October 25, 2026
- W.S. 31-16-101 and 31-1-101 (Title 31), accessed October 25, 2026
- MCA 61-4-101, accessed October 25, 2026
- MCA 61-1-101, accessed October 25, 2026
- HRS § 437-1.1, accessed October 25, 2026
- AS 08.66.350, accessed October 25, 2026
- Cal. Veh. Code § 285, accessed October 25, 2026
- Cal. Veh. Code § 286, accessed October 25, 2026
- Colorado Auto Industry Division: dealer and wholesaler (C.R.S. 44-20-102), accessed October 25, 2026
- Pennsylvania Board of Vehicles Act (Act 84 of 1983), accessed October 25, 2026
- Tennessee Motor Vehicle Commission: motor vehicle/recreational dealer, accessed October 25, 2026
- Indiana Secretary of State: dealer - new or used, accessed October 25, 2026
- Ala. Code § 40-12-390, accessed October 25, 2026
- Georgia Secretary of State: used motor vehicle dealers FAQ, accessed October 25, 2026
- Wis. Admin. Code Trans 138.025, accessed October 25, 2026
- N.J.A.C. 13:21-15 (NJ MVC dealer regulations), accessed October 25, 2026
- New Mexico Statutes 66-1-4.3 and 66-1-4.4 (NMOneSource, ch. 66), accessed October 25, 2026
- D.C. Code § 50-1501.01 (dealer definition), accessed October 25, 2026
- 18 DCMR chapter 5, Motor Vehicle Dealers (§ 500.2), accessed October 25, 2026
- 18 DCMR § 9901 definitions (dealer, used car dealer), accessed October 25, 2026
- D.C. Code § 50-1501.31 (records for 5 or more sales a year), accessed October 25, 2026
- Ark. Code 23-112-602, Used Motor Vehicle Buyers Protection (Arkansas State Police statute PDF), accessed October 25, 2026
- Arkansas State Police, Used Motor Vehicle Dealer License, accessed October 25, 2026
- Mississippi DOR Motor Vehicle Dealer Tag Permit Law booklet (Miss. Code 27-19-301 et seq.), accessed October 25, 2026
- Mississippi Recreational Vehicle Franchise Law, Miss. Code 63-17-201 (MMVC PDF), accessed October 25, 2026
Cite this: RV Dealerships, "How many RVs can you sell before you need a dealer license? As few as 3 in six states, including Florida," October 25, 2026, https://rvdealerships.org/rv-curbstoning-laws-by-state/
Spotted an error or have newer data? Tell us and we'll check it and update the page.
Questions people ask
How many cars or RVs can I sell a year without a dealer license?
It depends on the state. Colorado, Florida, Hawaii, Maryland, Utah and Wyoming draw the line at 3 vehicles a year. Five is the most common trigger, used in 16 states including Texas, North Carolina and Virginia. Indiana and Vermont allow the most, with dealer rules starting at 12 sales. 13 states and DC set no number at all.
Does selling a travel trailer count toward the limit?
In many states, yes. Texas, New York, Indiana, Kansas, Michigan and North Carolina count trailers or RVs with other titled vehicles. Florida and Kentucky exclude RVs from their car dealer rules and regulate RV dealers separately, and South Carolina excludes new RVs from its definition. Check your state's row in the table.
What is curbstoning?
Curbstoning is selling vehicles as a business while pretending to be a private seller, usually to avoid dealer licensing, taxes and consumer protection rules. Warning signs include a title not in the seller's name, the same phone number on several listings, and pressure to pay cash quickly.
Is it illegal to flip one RV?
Possibly. Most state limits apply to vehicles you bought and used yourself. Many statutes define a dealer as anyone in the business of buying and selling for profit, so buying an RV specifically to resell it can count as dealing even below the number. Ask your state's dealer licensing office.