Car flipping taxes and fees.

When you buy: sales tax, title and registration

Many states charge sales or use tax when a vehicle is titled, and also charge title and registration fees. The rate, whether trade-ins or auction fees are taxed, and whether a business can buy for resale without paying tax all vary by state and sometimes by whether you hold a dealer license. This site does not publish a table of rates because they change; use your state revenue department or DMV, or the vehicle sales tax, title and registration calculator and the sales tax by state lookup, then enter the result in the profit calculator. The calculator has a checkbox for whether the percent buyer fee is taxed because states treat it differently.

When you sell: reporting the income

The IRS states that income must be reported on your tax return whether or not you receive a Form 1099-K. It also says payment apps and online marketplaces must issue a 1099-K when payments for goods or services exceed $20,000 in more than 200 transactions, and that some may issue one for smaller amounts (IRS: Understanding your Form 1099-K, October 2026). State rules can differ from the federal ones, so check yours. Check the 1099-K threshold checker for the arithmetic.

If flipping is a business activity, the profit is generally business income reported on Schedule C (Form 1040), with costs such as the car’s purchase price, repairs and fees accounted for under the IRS rules for inventory and business expenses; see IRS Publication 334 and About Schedule C. Whether an activity is a business or a one-off sale depends on facts and is for you and your tax professional to decide.

Self-employment tax

The IRS says you usually must pay self-employment tax if you had net earnings from self-employment of $400 or more; the rate is 12.4% for Social Security and 2.9% for Medicare, applied to generally 92.35% of net earnings (IRS Topic 554, page updated 24 September 2026). The 1099 tax set-aside calculator shows what that could mean for a profit figure you enter.

Mileage and records

Driving to inspect, collect and deliver cars may be deductible business travel if you keep records. The IRS publishes business standard mileage rates that change during the year: its page lists a rate for 1 January to 30 June 2026 and a different one from 1 July 2026 (IRS standard mileage rates, October 2026). Use the mileage deduction calculator. Keep a bill of sale, title copies, receipts for repairs and fees, and a mileage log for every car.

Fees to put in your model

• Auction buyer fee (percent and flat), set by the auction.
• Transport and inspection.
• Title, registration and any dealer or business fees in your state.
• Platform, payment and listing fees when you sell.
• Insurance, storage and loan interest while you hold it: see holding cost per day.

What this does not cover

• Your personal tax situation, state income tax or deductions beyond those named.
• Dealer-specific tax rules or resale certificates; see the dealer license explainer and ask your state.
• Any figure for how much tax you will owe.
• Capital gains treatment of personal vehicles.

Sources and method

• IRS: Understanding your Form 1099-K (retrieved October 2026): $20,000 and 200 transactions threshold; report income regardless
• IRS Topic 554: Self-employment tax (retrieved October 2026): $400 threshold, 12.4% and 2.9%, 92.35%
• IRS Publication 334 (retrieved October 2026): small business tax guide
• IRS standard mileage rates (retrieved October 2026): business mileage rate by period

Reviewed October 2026. Tax rules and thresholds change; check the IRS pages above before you rely on any figure.

Frequently asked questions

Do you pay taxes on flipping cars?

Profit from selling cars is generally taxable income. If it is a business it goes on Schedule C and may also be subject to self-employment tax. The IRS says income is reportable whether or not you get a 1099-K. This is general information, not advice.

Do I pay sales tax when I buy a car to flip?

Usually when the car is titled, at your state’s rate, though states differ on fees, trade-ins and resale exemptions. Check your state revenue department.

Will I get a 1099-K for selling cars?

Only if a payment platform or marketplace issues one; the IRS threshold for third-party settlement organizations is $20,000 and more than 200 transactions, and some issue them below that. Report income regardless.

Can I deduct mileage when flipping cars?

Business mileage may be deductible with records. The IRS publishes rates by period; see its standard mileage rates page.

Where do repairs and fees go on my taxes?

They are costs of the car or business expenses depending on your situation. Read IRS Publication 334 and ask a tax professional; this page does not decide it for you.