OP - this is the best advise your gonna get.You need to do a test buy, minimum 25k ad spend in a month per ad, in order to see which ones convert better. Any less than this and it won't be statistically relevant, so your data will be useless.
You need to do a test buy, minimum 25k ad spend in a month per ad, in order to see which ones convert better. Any less than this and it won't be statistically relevant, so your data will be useless.