Google, Meta and TikTok campaigns that pay for themselves.
Set the budget from the margin, not the round number
Work backwards from what a customer is worth and you know what a click may cost before you spend a euro.
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Give every test one variable
Change the picture and the headline together and you learn nothing, whichever ad wins.
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Exclude what you already own
Paying to reach existing customers and people already on the site is the easiest waste to cut.
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