Ad testing phase

After 3 to 5 days, if key indicators like CPR and CTR remain poor, turn it off immediately. Only keep it running and optimize performance if there are positive signs.
 
I generally avoid judging a campaign too quickly, but if the results are consistently weak while spending continues, it makes sense to reassess the strategy.
 
Usually 3–5 days, unless it’s clearly wasting money. I’d wait until there’s enough spend and conversion data before killing it.
 
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