Amazon Seller Fees 2026: The Complete Breakdown (+Hidden Costs)

Amazon fees can consume 25-40% of your revenue if you're not careful. This guide breaks down every fee you'll encounter in 2026—and shows you how to minimize them.

1. Referral Fees (The Big One)

Amazon takes a percentage of every sale. Category rates vary:

2. FBA Fulfillment Fees

What Amazon charges to pick, pack, and ship your items:

• Small Standard: £2.50 - £3.00 per unit
• Large Standard: £3.50 - £5.00 per unit
• Oversize: £7.00+ per unit

Pro Tip: Dimensional weight pricing means packaging size matters. Reduce packaging to save £0.50-1.00 per unit.

3. Storage Fees

Monthly Storage (Jan-Sep):

• Standard size: £0.75 per cubic foot
• Oversize: £0.48 per cubic foot

Monthly Storage (Oct-Dec - Peak Season):

• Standard size: £2.40 per cubic foot (3.2× increase!)
• Oversize: £1.20 per cubic foot

4. Hidden Fees to Watch

• Removal Fees: £0.60-£1.50 per unit to return inventory
• Disposal Fees: £0.25-£1.00 per unit
• Return Processing: Full fulfillment fee charged again on returns
• Unplanned Service: £0.45-£1.50 per unit for non-compliant shipments
• Labeling Service: £0.30 per unit if Amazon labels for you

5. How to Minimize Fees

• Optimize packaging to reduce dimensional weight
• Monitor inventory age and remove before 180 days
• Send inventory just-in-time to avoid peak season storage
• Improve product quality to reduce return rates
• Use the right prep services vs doing it yourself