Seller Guides
Plain-English guides to the numbers that decide what you actually keep from each sale.
- Amazon Seller Fees 2026: Referral Fees, FBA and What You Really Keep
Amazon US referral fees stayed at 15% for most categories in 2026, while FBA fees rose by about $0.08 per unit on average. Learn how referral and fulfillment fees combine, with a worked profit example.
- Amazon vs eBay vs Etsy vs Shopify: Which Leaves the Most Profit? (2026)
We priced the same $29.99 product on Amazon, eBay, Etsy, Shopify, Walmart and TikTok Shop to compare profit after fees, and calculated the minimum price for a 25% margin on each.
- eBay Fees 2026: How Much Does eBay Take per Sale?
eBay's 2026 final value fee for most categories is about 13.6% plus $0.30-$0.40 per order, charged on the total sale including shipping and sales tax. Here is how it works, with a worked profit example.
- How to Calculate Profit Margin for Online Sellers (With Fees and VAT)
The exact formula online sellers should use for profit margin, the three mistakes that make margins look better than they are, and how VAT changes the math for UK and EU sellers.
- TikTok Shop Fees 2026: Referral Fee, Affiliate Commissions and Real Profit
TikTok Shop US charges a referral fee of 6% on most categories in its official table, with reports of an increase to 8% in August 2026. Add creator affiliate commissions and fulfillment, and see what you really keep.
- Etsy Fees 2026 Explained: What You Actually Keep per Sale
A clear breakdown of Etsy's 2026 fees for US sellers - $0.20 listing fee, 6.5% transaction fee, 3% + $0.25 payment processing and Offsite Ads - with a worked example of real profit per sale.