Guide
Scale ad budgets without waste
The proven method to double an ad budget without breaking performance.
Establish a baseline for 7 days
Run your winning ad set at its current budget for a full week untouched. Note: cost per result, ROAS, frequency. That's your baseline.
Increase budget by 20% at most
Not 100%. 20 to 30%. Larger jumps reset the algorithm's learning phase and burn budget. Small nudges keep things stable.
Wait 3 to 4 days after each change
Don't touch anything for 3 to 4 days after a budget change. The platform recalibrates. Rushing to increase again mid-learning kills performance.
Duplicate the winner into a new ad set
For bigger jumps, create a second copy of the winning ad set with a fresh budget. Running two ad sets at $50/day each often outperforms one at $100. This is called 'horizontal scaling'.
Watch for frequency creep
As you spend more, the same people see your ad more. Frequency over 4 = ad fatigue = rising costs. When frequency creeps up, refresh creative before increasing spend more.
Kill scaling if ROAS drops 30%
Set a rule: if ROAS drops 30% below baseline for 3 consecutive days after scaling, revert to previous budget. Discipline > hope.
Track lifetime value, not first-order ROAS
First-purchase ROAS of 2x looks average, but if 40% of those customers repurchase, real LTV-based ROAS is 5x. Scale based on LTV where you can measure it.
That’s the whole thing.
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