Changes to what US sellers pay, and to the rules they sell under, newest first. Each entry links to a source so you can check it yourself.
Updated Oct 19, 2026 · 5 changes loggedWorth knowing: Mercari and Depop both changed who pays their fees in the last two years: Depop now charges US sellers no selling fee, and Mercari charges 10% with no processing fee. Both are in the calculator.
| Date | Platform | What changed | Source |
|---|---|---|---|
| Poshmark Shipping | If you send a parcel over 5 lb on the standard $6.49 label, Poshmark takes the label upgrade cost from your earnings. Upgrades stay at $5 (5 to 10 lb), $10 (10 to 15 lb) and $15 (15 to 25 lb). | Poshmark | |
| USPS Shipping | Holiday price increase, averaging 6%, on USPS Ground Advantage, Priority Mail and Priority Mail Express, at the counter and online. It runs until January 17, 2027. | Supply Chain Dive | |
| Poshmark Shipping | Simpler label prices for heavier parcels: sellers pay $5 extra for 5 to 10 lb and $10 extra for 10 to 15 lb. The weight limit rises from 10 lb to 15 lb. The buyer still pays $6.49 for parcels up to 5 lb. | Value Added Resource | |
| All platforms Tax reporting | The One Big Beautiful Bill Act restores the Form 1099-K threshold to more than $20,000 and more than 200 sales a year, replacing the lower limits that were being phased in. | IRS | |
| Mercari Fees | Mercari brings back a 10% selling fee, now charged on buyer-paid shipping too, and removes its separate processing fee. Buyers pay a 3.6% Buyer Protection fee. | Mercari | |
| Depop Fees | Depop removes its 10% selling fee for US sellers. Sellers pay only payment processing, and buyers pay a marketplace fee. | Depop |
This log starts with the US site in 2026, with a few earlier changes that still matter. Each change is checked before it’s added, and the calculator is updated at the same time. Spotted a change that isn’t here? Please let me know.
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