Campaign Budget Optimization (CBO)
Setting budget at campaign level, letting Meta distribute across ad sets.
Definition
Campaign Budget Optimization automatically distributes your campaign budget across ad sets to get the best results. Instead of setting individual ad set budgets, you set one campaign budget and Meta's algorithm allocates spend to top performers.
Practical Tips
- CBO works best with similar-value ad sets
- Use ad set spend limits if you need minimum spend guarantees
- Give CBO time to learn—don't judge too quickly
- Fewer ad sets often perform better with CBO
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