Seller guides · 2026
Fee breakdowns &
profit strategies.
Numbers-first guides for resellers on eBay, Etsy, Poshmark, Amazon, Mercari, Facebook Marketplace, Walmart, TikTok Shop, Depop, Whatnot and WFS. Every post links to free calculators so you can run the math yourself.
All guides
WFS Fees 2026: Walmart's Answer to Amazon FBA
Walmart Fulfillment Services charges by weight and dimensions, not a flat rate. Full breakdown of fulfillment, storage, and referral fees vs Amazon FBA.
Depop Fees Explained 2026: The 10% Fee Is Gone
Depop eliminated its 10% selling fee for US/UK sellers in 2024. Here's the current $0 + 3.3% + $0.45 model — and why so much advice online still hasn't caught up.
TikTok Shop Fees 2026: The Real Cost Beyond 6%
The 6% referral fee is just the start. Mandatory fulfillment, creator commissions, and settlement delays add up fast — here's the full picture.
Facebook Marketplace Fees Explained (2026)
Facebook Marketplace charges 10% (min $0.80) on shipped orders and nothing for local pickup. Full breakdown with real dollar examples and platform comparisons.
eBay vs Etsy Fees in 2026: Which Keeps More of Your Money?
Side-by-side breakdown of every fee both platforms charge — final value, transaction, payment processing, and ad fees — with dollar examples at $20, $50, and $100.
How to Price Items on Poshmark: The Exact Formula Resellers Use
Poshmark's 20% commission is brutal if you price wrong. Learn the reverse-pricing formula to always hit your target profit, even after fees and shipping discounts.
Amazon FBA Fees Explained for 2026
Every fee Amazon charges FBA sellers — referral rates by category, fulfillment tiers, monthly storage, and long-term storage penalties — with a worked example.
Mercari vs Poshmark Fees 2026: Which Is Cheaper for Resellers?
Mercari charges a flat 10% with no listing fees. Poshmark charges 20% above $15. We compare both at five price points to show exactly which wins.
Are Etsy Offsite Ads Worth It? The Honest Math for Small Shops
Etsy's 12–15% offsite ads fee can erase your margin on a single sale. Here's how to calculate whether the extra traffic is actually profitable for your shop.
Reseller Profit Margin Guide: What's a Good Margin on Each Platform?
What margin should you target on eBay, Etsy, Poshmark, and Amazon? Benchmarks and the minimum margins needed to run a sustainable reselling business.
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Free tools
Run the numbers yourself
FAQ
Common questions
Which marketplace has the lowest seller fees in 2026?
For shipped fashion items, Depop is now typically lowest — its 10% selling fee was eliminated for US/UK sellers in 2024, leaving just 3.3% + $0.45 processing. Facebook Marketplace is $0 for local pickup. Under $15 elsewhere, Mercari usually beats Poshmark's flat $2.95. For $20–$50 items, Etsy's ~9.75% typically beats eBay's 13.35%. Use the comparison tool to see the exact winner for your price.
How do I calculate my true profit on a marketplace sale?
Subtract all platform fees, payment processing, shipping cost, and your item cost from the sale price. Use our free profit calculator to do this instantly for any platform.
How current are these fee numbers?
We recheck rates against official platform sources and correct guides when something changes or turns out wrong — for example, Depop eliminated its 10% fee in 2024, and several of our own posts have been updated to reflect it. Articles note when a figure has been corrected, and every calculator uses the same fee engine, so the numbers stay consistent across the site.