
Checkout reliability
Test taxes, shipping, payment failures, discount rules, and confirmation messages. Successful payment should produce one accurate order. Bring sales questions into the brief so the work answers real concerns.
Define the source of truth for stock and how delays or duplicates are resolved. A storefront can oversell when integrations update inconsistently. Check what happens after the customer clicks, submits, or calls.
- A written brief
- Named responsibilities
- Agreed review points




