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Why your paid media CAC keeps climbing after the first 90 days

The problem

You launched paid campaigns and CAC looked acceptable in the first month. Then it started climbing — 10% one month, another 15% the next. The agency says the market is more competitive. The data doesn't clearly show why. Budget is being spent; results are getting worse.

What it costs to ignore it

Every month of climbing CAC is a month of compounding damage: the same pipeline costs more to fill, the economics of the channel deteriorate, and the board starts asking whether paid acquisition is viable. The typical trajectory is six months of climbing CAC before anyone makes a structural change — by which point the account has spent its way into a hole.

What TBG does about it

We take over active management of the account: weekly budget reallocation between campaigns and audiences, creative refresh on a fixed monthly cycle so ad fatigue doesn't compound, and a compliance-pre-approved asset library for regulated industries so optimisation doesn't wait on a sign-off queue. We don't rebuild from scratch — we fix what's actually broken.