Profitlee blog
Amazon FBA Fees in the US (2026): Full Cost Breakdown
Most sellers budget '15% and done.' The real US FBA stack — fulfillment, storage, inbound, ads, and returns — often takes 40–55% of the sale price. Here's every layer, plus a $40 worked example.
How to Calculate Ecommerce Profit Margin (Formula + Example)
Net profit margin is simple as a formula but easy to misread when marketplace fees, fulfillment, tax, ads, returns, and storage are missing from the model.
Fulfilled by TikTok (FBT) vs. Self-Fulfilled: Which Is Cheaper?
FBT hands storage, pick-pack, and shipping to TikTok; self-fulfilled keeps it in-house. Here's how the two models compare on cost, control, and the numbers that actually hit your margin.
FBA vs. FBM: Which Is More Profitable for Amazon Sellers?
FBA trades Amazon-run fulfillment and Prime eligibility for fulfillment and storage costs; FBM keeps control but makes shipping and delivery performance your job.
Amazon FBA Fees in Japan (2026): Fees, Consumption Tax & Duty
Amazon.co.jp pricing has its own fee stack: marketplace fees, FBA costs, import duty, consumption tax, and yen-denominated margin pressure.
Amazon FBA Fees in Germany (2026): Referral, Fulfillment, Duty & VAT
Selling with FBA on Amazon.de adds European import duty and German VAT to the normal marketplace fee stack. Here's how to think through each layer before you price a SKU.