Why I built it
I wanted one place to compare all the selling apps side by side, because each platform explains its own fees but none of them tells you whether you’d keep more money selling the same item somewhere else. I built the calculator for UK sellers first, then versions for Australia, Canada and Ireland. This US version uses US figures, because fees here are quite different: Depop charges US sellers no selling fee, Mercari charges buyers a fee too, and Vinted isn’t available.
Run from the UK
I’m not in the US, so I rely on the platforms’ own US pages and official sources such as the IRS and USPS, and I link to them so you can check. If something works differently in practice, please tell me.
How the figures are checked
- Fees come from each platform’s own US fee pages. The calculator page links to a source for every platform.
- When a platform changes its fees, I update the calculator and add the change to the fee change log.
- The results are estimates. Platforms sometimes vary fees by item, category, promotion or account type, so always check the final figure on the platform before you list.
Independent
This site isn’t connected to or endorsed by Poshmark, eBay, Mercari, Depop, Etsy, Facebook, OfferUp, USPS or any other company. Their names are trademarks of their owners and are used only to describe them. The ranking is worked out purely from each platform’s fees and the figures you type in. Nobody can pay to appear higher.
How the site makes money
Right now it doesn’t. The site is free to use, with no ads and no affiliate links. If that changes, I’ll say so here and update the privacy page first. Any ads or affiliate links would never change the calculator’s results or the order of the platforms.
Not advice
This site gives general information to help you compare selling options. It isn’t financial or tax advice. The guide to tax on selling online explains the IRS’s main rules in plain English; for your own situation, check irs.gov or a tax professional.
Other countries
Selling somewhere else? There’s a UK site, an Australian site, a Canadian site and an Irish site.