Fee guides
Start here if you want to see a payout worked line by line instead of just the total a calculator gives.
Before you list
Which Platform to List On, by Item and PriceA decision procedure for choosing among eBay, Mercari, Poshmark, Whatnot and Depop, built from each platform's own category rates and fee thresholds.
Free Shipping or Buyer-Paid? What Happens to the FeeA per-platform table of what folding shipping into "free shipping" does to each marketplace's fee, and where Depop's label choice matters.
How fees are charged
What Each Marketplace Charges Fees OnA side-by-side table of what eBay, Mercari, Poshmark, Whatnot and Depop charge fees on — item price, shipping, tax and flat per-order fees.
Whatnot's Seller Fee Tiers, ExplainedWhatnot's six-vertical, seven-tier commission table, its 28-day rolling window, the September 2026 rollout dates, and what this site doesn't model.
Promoted and Boosted Listings, and What They CostWhat eBay Promoted Listings, Depop's 12% boost and Whatnot's high-value promotion actually charge, and what a paid promotion has to earn back.
Store and changes
Does an eBay Store Pay for Itself?A break-even table for eBay's Store subscription tiers, built from the 13.6% versus 12.7% final value fee split and each tier's monthly price.
What Changed in Marketplace FeesA dated log of four marketplace fee changes this site's saved source pages evidence — Depop, Mercari, Poshmark and Whatnot — each with its effective date.