Most Growth Problems Aren't Ad Problems.
The fastest way to waste money is to optimize a channel before understanding the system around it.
CAC went up. The instinct is to open the ad account. Usually the ad account is the last place the problem started.
Offer, message match, page, onboarding, retention and margin all move CAC. Only one of them lives inside the campaign.
Diagnose the system in order. Then spend.
