Profit Modeling
FBA Profit Calculator
Quickly estimate unit economics before sourcing. This model uses a 15% referral fee and a simplified FBA fee estimate.
Formula: Profit = Amazon Price - Referral Fee - FBA Fee - Product Cost
Meets Target
Net Margin
25.32%
A healthy target is typically positive margin with ROI above 30%.
Aim for $5+ net profit per unit
Aim for 30%+ ROI for safer buys
12%+ margin gives more room for price drops
- - Leave a buffer for repricing and unexpected prep costs.
- - Avoid products with razor-thin margin even if ROI looks acceptable.
- - Validate competition and seller count before buying deeper quantity.
- - Re-check costs when using coupons because they can expire.
- - Track your real fees by category; fee assumptions vary by size and weight.
Rule of thumb: prioritize products with profit above $5 and ROI above 30%, then confirm demand and competition in Keepa.