DOTALEDGERPatch7.41f
Trading3 min readUpdated October 9, 2026

Dota 2 Item Flipping: Calculate a Trade Before Buying

Work out your profit after fees, and plan for a failed sale, before you spend anything.

Project editor:GrassKnuckles

Two item cards crossing a guarded exchange path with verification shields
Illustration: Dota Ledger

Before you buy an item to resell it, work out what you would receive after fees and what happens if the buyer pays less or never shows up. The gap between two listed prices is not your profit. And if your plan needs a buyer for every copy at the top bid, it ignores the risk of an unsold item.

Follow one $10 purchase all the way through

Say you pay $10 all-in and later find a buyer who pays $13. Steam adds its fees on top of the seller’s amount, which works out to a factor of about 1.15 (the fee calculator below shows exact amounts). So you receive 13 ÷ 1.15 ≈ $11.30. Your profit is about $1.30, not the $3 headline gap. Divided by your $10 cost, that is roughly 13.04% ROI before other costs. Cent-level rounding on a real marketplace can shift the result slightly.

With the same fee factor, getting $10 back needs a buyer total of $11.50. Add an extra $0.50 of cost and you need $10.50 in proceeds, which means $12.075 from the buyer before rounding. A fixed cost weighs heavily on a small trade. A cash marketplace takes its fee differently, so check how it charges before reusing this factor.

Give the downside as much space as the upside

If the buyer pays $10, you receive about $8.70 and lose about $1.30. If no buyer appears, the item stays unsold, and your money stays tied up. Writing down a stop price cannot force anyone to buy, and transfer restrictions can stop you from selling when the exit finally appears.

What the flip calculator takes

The flip calculator takes buy and sell amounts, quantity, purchase fees and fixed costs. Its Steam option applies the site’s built-in Steam fee formula; for other marketplaces, enter the fees yourself. Enter the sell amount as the price the buyer pays, and the calculator applies the fees for you.

If demand differs by quantity, run one copy and several copies as separate cases. A top bid for two copies cannot support five exits. Use the fee calculator for your marketplace and currency. Both calculators only do the arithmetic: they don’t check how many buyers there are, hold an item for you or send a trade.

Keep plans and finished trades apart

Before you buy, write down the exact variant, the total money at risk, where and when you saw the exit price, and a date to review. After a sale, replace the assumptions with the receipt’s net proceeds and your actual cost. Track partial sales as separate lots. Don’t log a hypothetical winner as a finished trade while leaving real losses out.

Spend only what you could lose if the exit fails. If you mainly want to use the cosmetic, count it against your entertainment budget instead. To compare prices first, see how to read market prices. The calculator shows whether a plan adds up; only a real buyer can complete it.

Sources and examples