: Offers with same-day or next-day delivery see an estimated 18% higher win rate than standard shipping. Delivery speed now reportedly accounts for 25–30% of the algorithm's weight.
: You must be on the $39.99/month plan.
: Must stay below 1% . This includes negative feedback, A-to-Z claims, and chargebacks.
If multiple sellers are eligible, Amazon rotates the Featured Offer based on these weighted signals:
: Target 97%+ (the minimum floor is 90%). Late Shipment Rate : Must stay below 4% . Valid Tracking Rate : Must be 95% or higher (99% for SFP).
: You cannot win the Buy Box if you are out of stock. Constant stockouts signal unreliability.