It all depends on the competition? of the niche your in, if start getting alot of clicks facebook will lower the cost. You might want to start out with $5 a day for a couple of days to see if you get alot of clicks and a few sales to see if its worth it.Is isnt an exact science, you will have come ads that are a bust, and some that are winners. I ran about 10 different ads before i started making money with the one in my video.
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