Your FBA questions, answered instantly
Type a question in plain English — e.g. "I sell 300 units/month at $24.99, unit cost $4, shipping $2/unit, large standard. What's my profit?" The assistant extracts your numbers, runs the 2026 FBA fee model, and shows a full cost breakdown with margin tips.
Frequently Asked Questions
How do I calculate Amazon FBA profit?
FBA profit per unit = selling price − unit cost (COGS) − inbound shipping per unit − referral fee (~15% of price, min $0.30) − FBA fulfillment fee ($3.45–$9.35+ by size tier). Ask this AI assistant in plain language and it computes the full breakdown instantly.
What FBA fees does Amazon charge in 2026?
Amazon FBA charges fulfillment fees by size tier (Small Standard ~$3.45 up to Large Oversize ~$9.35+), a referral fee of 6–45% by category (most categories 15%), monthly storage ($0.78–$2.40/cu ft), aged inventory surcharges at 181+ days, and a ~3.5% fuel surcharge on fulfillment.
