Verify transaction rules before buying traffic
Cover the combinations that can change shipping, tax, discount, payment, inventory, and customer communication before acquisition begins.
One successful checkout proves one combination. A launch can still fail for a different address, cart value, product mix, discount, payment method, inventory location, or market. Before buying traffic, decide which combinations are commercially important enough to prove.
List the active decision boundaries:
The rest of this lesson is available once the Atlas is unlocked.