Know your real margin before you sell.
Instant profit calculators for every marketplace. See exactly what you keep after fees — Poshmark, Depop, Etsy, Amazon and 12 more.
One item, every marketplace — side by side.
Selling the same thing on Poshmark, Depop, Mercari and eBay? Enter it once and see where you keep the most, instantly.
Compare marketplace fees →Pick your marketplace
Free profit & fee calculators for every major platform — see your real payout in seconds.
TikTok Shop Profit Calculator Live
Referral fees, net profit, margin, ROI & break-even for US TikTok Shop sellers.
Etsy Fee Calculator Live
Listing, transaction, payment-processing & offsite-ads fees, with profit & margin.
Amazon FBA Calculator Live
Referral + fulfillment fees, net profit, margin and ROI per unit.
Print-on-Demand Calculator Live
Base cost, shipping, platform fees and margin across Printful & Printify.
eBay Fee Calculator Live
Final value fee, per-order fee, net profit, margin and ROI.
Shopify Fee Calculator Live
Payment processing by plan, net profit, margin and break-even.
Walmart Marketplace Calculator Live
Referral fee by category, net profit, margin and ROI.
Poshmark Fee Calculator Live
Seller fee, your payout, profit and break-even.
Poshmark Offer & Bundle Calculator Live
Payout after the 20% fee and the shipping discount you cover on offers & bundles.
Grailed Fee Calculator Live
9% commission + processing, your payout, profit and break-even.
Reverb Fee Calculator Live
5% selling fee + processing, your payout, profit and break-even.
Mercari Fee Calculator Live
Flat 10% selling fee, your payout, profit and break-even.
Depop Fee Calculator Live
0% selling fee (US) + 3.3% processing, your payout, profit and break-even.
StockX Fee Calculator Live
Transaction + processing fees by seller level, payout and profit.
Whatnot Fee Calculator Live
Commission + processing, net profit, margin and break-even.
Bonanza Fee Calculator Live
Low 3.5% final value fee, net profit, margin and break-even.
Facebook Marketplace Calculator Live
Shipped-order selling fee, net profit, margin and break-even.
Seller guides
Plain-English answers to the fee and pricing questions sellers actually ask.
Which marketplace has the lowest seller fees? Guide
A 2026 comparison of seller fees across 14 marketplaces — who takes the least, and how to find the cheapest place for your item.
How to price your products for profit Guide
The pricing formula that bakes in fees, shipping and your target margin — with a worked example.
Poshmark vs Mercari vs eBay vs Depop Guide
Where resellers keep the most in 2026 — fees, shipping handling and which to use for your items.
How to reduce your seller fees Guide
9 legit ways to keep more of every sale — subscriptions, categories, pricing, bundling and more.
Does free shipping actually pay? Guide
The marketplace fee math on free shipping — when it makes you money and when it costs you.
Etsy vs Shopify Guide
Marketplace or your own store? Fees, traffic and control compared — and where the math flips.
eBay vs Amazon Guide
Which giant is better for sellers? Fees, audience and fulfillment compared — and which fits what you sell.
Do you owe tax selling your clothes? Guide
The plain-English 2026 answer for casual resellers — the 1099-K threshold, and when reselling is actually taxable.
How TikTok Shop fees work Guide
The ~6% referral fee, the new-seller rate, creator commissions and the optional fees — with a worked example of your real take-home.
Where to sell sneakers Guide
StockX vs eBay vs Grailed vs Whatnot — the fee math side by side, and the $150 point where eBay quietly becomes cheapest.
How Etsy fees work Guide
The $0.20 listing fee, 6.5% transaction fee, processing and Offsite Ads — explained, with a worked example of your real take-home.
How Amazon FBA fees work Guide
The referral fee, the flat fulfillment fee, storage and the monthly plan — and why FBA's flat fee punishes cheap items hardest.
How Walmart Marketplace fees work Guide
One category referral fee, no monthly or listing fees — why Walmart is cheap to start on, and the shipping catch that eats your margin.
How eBay fees work Guide
The ~13.6% final value fee, the per-order fee and no monthly cost — plus why the fee on shipping and tax quietly raises your real rate.
How Shopify fees work Guide
No sales commission — just a monthly plan plus ~2.9% processing — so why the fixed fee, not the per-sale cut, decides if Shopify beats a marketplace.
How Poshmark fees work Guide
A flat $2.95 under $15, 20% above — and a shipping label that's included, which makes that 20% less steep than it looks. With a worked example.
Where to sell trading cards Guide
eBay vs Whatnot vs StockX — the fee math side by side, and why eBay (unlike with sneakers) gives cards no fee discount.
How Mercari fees work Guide
A flat 10% selling fee, no processing fee, free withdrawals — one of resale's lowest rates, plus why the shipping you cover, not the fee, decides your margin.
How Depop fees work Guide
US sellers pay 0% selling commission — just 3.3% + $0.45 processing — so why "free to sell" still isn't free, and where the cost really hides.
How Grailed fees work Guide
A 9% commission plus 3.49% + $0.49 processing — one of fashion resale's lowest rates — and why the commission skipping shipping quietly works in your favor.
How StockX fees work Guide
An 8%–9.5% transaction fee that drops with your seller level, plus 3% processing — and why the flat authentication label makes cheap items so expensive.
How Whatnot fees work Guide
An 8% commission (5% electronics, 4% coins) plus 2.9% + $0.30 processing — one of resale's lowest rates — and why the live-auction format, not the fee, decides your margin.
How Reverb fees work Guide
A 5% selling fee (capped at $500) plus 3.19% + $0.49 processing — one of the lowest cuts in resale — and why the specialist music-gear audience, not the fee, sets your price.