How to know you've hit your scaling ceiling BEFORE ROI tells you:
ROI is a lagging signal. CPM is the leading one.
As you scale, the platform reaches deeper into less-qualified inventory → CPM creeps up step by step.
When CPM rises faster than your conversion rate holds, you've tapped out the good pocket — even if ROI still looks fine today.
Track CPM-per-budget-tier. It screams 'stop' a day before your wallet does.
Buyer's Trenches
@BuyersTrenches
How to know you've hit your scaling ceiling BEFORE ROI tells you:
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