When to drop a PPC campaign?
Hello,
I'd like to ask how you make a decision on when to drop a PPC campaign. Basically, if I start a PPC campaign and it does not bring any results after, say, 100, 200, or 300 clicks, is it worth to keep it or is it better to kill it before it becomes to expensive? I am quite new to PPC, and any help here will be much appreciated.
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