CBO is not "set and forget"
Sold to you as hands-off. Reality: Meta's campaign budget optimization happily dumps 80% into one ad set and starves the rest → your scalable winner gets $9/day.
The move: set ad-set minimum spend floors so every set clears learning. Or cap the greedy one's max.
CBO optimizes for cheapest result today, not the set that scales tomorrow. Those aren't the same.
Check your delivery breakdown right now — bet one set is hogging it.
Buyer's Trenches
@BuyersTrenches
CBO is not "set and forget"
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