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How much should I spend testing a creative?
There's no universal number, but experienced buyers often let each creative spend at least the equivalent of one or two target purchases, commonly cited around $100 to $150, before judging conversions. You can cut ads earlier on attention metrics like hook rate and click-through if they clearly lag the rest.
Rules of thumb buyers use
- Conversion-based: let each creative spend at least one to two times your target cost per purchase before judging it on sales.
- Fixed floor: some buyers use a set amount per creative; figures around $100 to $150 come up often in r/FacebookAds discussions (self-reported practice).
- Attention cut-off: stop ads early if hook rate and click-through are far behind the others after a fair number of impressions.
Worked example
If your target cost per purchase is $40 and you test five creatives a week at two times target, that's 5 × $80 = $400 a week of testing spend, before scaling the winners.
How to make the budget go further
- Test fewer, more distinct ideas rather than many similar ones.
- Use hook variations on a proven body; they need less spend to read.
- Judge early on attention metrics, late on sales.
- Keep testing separate from scaling so tests don't starve.
When to stop a test
When an ad has spent its threshold without a purchase and its attention metrics lag, turn it off. When an ad hits target cost per purchase on meaningful spend, move it to scaling. Anything in between can get a little more time.
If you need more variations to test, ScrollStop Labs produces UGC-style ads with alternate hooks, delivered by email in 72 hours.