Should the team invest in an account-updater integration?
Measure successHardProblem. Engineering asks whether it's worth integrating a card account-updater (auto-refreshes stored card details when a card is reissued, before the next renewal). It's real eng effort. How do you evaluate it, and how would you size the ROI?
Before you reveal: say your answer out loud, as if you were in the real interview — get your reasoning across clearly first. There is no single correct answer: reading what the interviewer is really after and defending your own thinking is what makes an answer strong.