hi i need some advice in short, this is my making money method: review website ( no 1 in google, 3500 visitors daily) ------> sales page ( 450 visitor daily) ----->3-7 sales daily ($20 per item) i want to give my ebook for free and try contnet locker. with CPA and what is the best way? put content locker on review website or on sales page? if i do this on review website, is it possible that my website lose a ranikg? and what about money, you think it can be more profitable?