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Free reseller calculator

Tax Set-Aside Calculator

Set aside a chosen percentage of profit as a simple cash reserve.

FreeInstant resultsUpdated September 2026
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In simple terms

Set aside a chosen percentage of profit as a simple cash reserve.

Set aside
Left after reserve
Reserve rate
Figures are estimates. Platform fees, taxes, refunds and special promotions can change the final result.

How to use it

Put in the numbers you know. Use the real amount you paid where possible. If the answer looks too good to be true, check you have not forgotten fees, postage, packaging or the cost of the item.

1 · Put your numbers in

Use what you really paid

Use what you actually paid or the best evidence-based estimate you have.

2 · Read the answer

Check what you actually keep

A sale can make money but still be poor value if it took lots of time or tied up your cash for months.

3 · Compare with the real sale

Use the final numbers after it sells

After the sale, use the real fee, postage and sale figures so you know exactly what happened.

More free reseller tools

Want this done automatically?

MyCost tracks item cost, sale price, fees and profit across your stock.

Try MyCost free →