6 Practical Ways Technical Leaders Stop Inflexible Coupon Tools from Devastating Retail Operations
https://www.pawn-bookmarks.win/case-study-shaving-checkout-latency-to-sub-50ms-and-what-it-really-bought-the-business
1) Why this matters: coupon tool failure is an architectural risk, not just a marketing problem Retailers treat promotions as a growth lever, but promotions are also a high-risk, high-customer-impact system