Wellxpring Research Coupons that cost more than they earn: testing promotion profitability A promotion is profitable only if the extra sales it creates outweigh the discount given to customers who would have bought anyway. Brief C · Reasoned North America Pricing Sep 10, 2026
Wellxpring Research What drives product competitiveness on Amazon? Re-weighting a product evaluation index Our study compared two scoring systems for Amazon products. Category rank and review volume mattered more, and price less, than expected. A · Measured Data note North America Product portfolio Jan 15, 2025
