Be the second set of eyes — nothing ships with an error. Receive a test ofevery email and SMS end-to-end (links, tags, opt-outs, routing, real user experience); verify UTMs on every link, email, and ad against the taxonomy before launch; proof spelling, grammar, check links and documents they link to, and functionality on everything; QA every form (it submits, tags correctly, assigns territory, notifies the right rep, lets leads book); review and approve staging builds before go-live. Ask: Is this the right user experience for this audience? Is it done with excellence?