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You pay tax on the gain, not on the money that passed through the marketplace. Sell a card for $1,200 that cost you $850, and the taxable event is the $350 of profit, less the fees and costs that belong in the calculation.
The catch is that the marketplace reports the $1,200. If you cannot show what the card cost you, the default assumption is that the whole amount was profit. Cost basis is the entire game here.
Direct answer: yes, gains from selling cards are taxable, with or without a 1099-K. How much you pay depends on whether you are a hobby seller, an investor, or running a business, and on whether you can document what each card cost you.
A 1099-K tells the IRS how much money a marketplace paid you in gross proceeds. It says nothing about what those cards cost you, and it is not the thing that makes a sale taxable. Two consequences follow, and they trip people up in opposite directions.
The reporting threshold has moved repeatedly. Legislation enacted in July 2025 restored the federal line to more than $20,000 in gross payments and more than 200 transactions, reversing the lower figures that had been scheduled to take effect.
Several states set their own thresholds far below that, some as low as $600, and a marketplace will follow the state rule for sellers there. So the practical answer to "will I get a form" is: check your own state, and assume you might. Then keep records as though you will, because the tax is owed either way.
Almost every argument about card taxes is really an argument about which of these three buckets you are in. They are not a choice you make on a form; they follow from how you actually operate.
| Treatment | Who it fits | How the gain is taxed | Losses |
|---|---|---|---|
| Hobby | Cleaning out a collection, occasional sales, no profit motive | Reported as other income at ordinary rates | Not deductible |
| Investor | Buying and holding cards as assets, selling occasionally | Capital gains, with collectibles capped at 28 percent long-term | Capital losses, within the usual limits |
| Dealer or business | Buying to resell, regularly and continuously, for profit | Ordinary income on Schedule C, plus self-employment tax | Through cost of goods sold |
Two things about that table are worth pausing on. Business treatment is not automatically the good outcome: it opens up real deductions, but it also adds self-employment tax on the profit. And hobby treatment is currently the harshest of the three, because the income is taxable while the associated expenses are not deductible.
For an investor, trading cards fall into the collectibles category alongside art, coins and antiques. Held longer than a year, the gain is taxed at a maximum rate of 28 percent rather than the 15 or 20 percent that applies to stocks. Held a year or less, it is taxed at your ordinary rate like any other short-term gain.
The flipper's version of that sentence is simpler: a card bought and sold inside twelve months gets no rate break at all. Which is one more reason the purchase date on every card is worth recording properly rather than approximately.
One rookie card, bought on eBay, graded, and sold nine months later.
The marketplace reports $1,200. The number that should reach your return is $298.50, and the difference between those two figures is entirely a documentation problem. Held under a year, this gain is taxed at ordinary rates whichever bucket you are in.
The awkward part is the matching. Payouts arrive as lump sums, cards are bought in lots, and by the time a slab sells the purchase is two years back in an order history nobody has looked at since. Keeping the record at the moment of purchase is dramatically easier than reconstructing it in April.
This is general information, not tax advice. Card taxation turns on facts specific to you, particularly the hobby versus business question, and it is worth an hour with a CPA if you are selling at any volume.
Pull your card buying out of your order history, keep what each one cost you alongside grading and fees, and export the lot when someone asks for it.
Yes, if you sold at a gain. A 1099-K is a report of your gross payments, not the thing that creates the tax. The obligation attaches to the profit itself, so a seller under every reporting threshold still owes tax on gains and still needs records to prove what those gains were.
Legislation enacted in July 2025 restored the federal threshold to more than $20,000 in gross payments and more than 200 transactions, undoing the lower figures that had been scheduled. Several states set their own, much lower thresholds, so a marketplace may still send you a form well below the federal line. Check your state rather than assuming the federal number applies.
For someone holding cards as investments, yes. Collectibles held longer than a year are taxed at a maximum long-term rate of 28 percent rather than the 15 or 20 percent that applies to most assets, and cards held a year or less are taxed at ordinary income rates. Dealers are treated differently again, because their cards are inventory rather than capital assets.
Grading, shipping in, and marketplace fees generally belong in the arithmetic on every treatment: they either add to your basis or reduce your proceeds. What differs is expenses beyond the item itself, such as supplies or mileage. A business can deduct those, a hobby seller currently cannot.
A hobby seller cannot deduct the loss. An investor can generally use a capital loss against capital gains and, within limits, against other income. A dealer takes it through cost of goods sold. This is one of the places where which category you fall into changes the money, not just the paperwork.
Per card: what you paid and when, grading and shipping costs, the sale price and date, and the fees taken out of that sale. That set is enough to compute basis and gain for any of the three treatments, and it is exactly what you will be asked for if a return is ever questioned.