>Furthermore, though, how much more do you have to charge to cover your own time, shipping complexities, and just the general mess of dealing with two other ent

>Furthermore, though, how much more do you have to charge to cover your own time, shipping complexities, and just the general mess of dealing with two other entities for every sale you make? All of that adds up to a pain in the arse to make a couple bucks, in my estimation. If you can operate at large enough scale, thousands or tens of thousands of books a month, then I think there's an opportunity to be had, even if you're pocketing a dollar or two from each sale.