
Checkout reliability
Test taxes, shipping, payment failures, discount rules, and confirmation messages. Successful payment should produce one accurate order. Check what happens after the customer clicks, submits, or calls.
Define the source of truth for stock and how delays or duplicates are resolved. A storefront can oversell when integrations update inconsistently. Record the decision as well as the numbers behind it.
- A written brief
- Named responsibilities
- Agreed review points




