 101 handy tech tips for the iPhone. You know how much Amazon took from every single book I sold? About 40%. From every book? From almost every, well, I mean, it was about, when you add everything up, it was the processing fees, all the stuff. Oh my God. You basically get about, you know, you basically just write 40% off of the price of that book. So you sell a book for 10 bucks, you're only making $6 on it. Yeah.