Well, that's the catch. Those who actually consistently make money daytrading (averaged out over a long enough time period) don't have a need to write those bo

Well, that's the catch. Those who actually consistently make money daytrading (averaged out over a long enough time period) don't have a need to write those books (and potentially put themselves at a disadvantage by doing so) to make money. While those who write "daytrading secrets" books typically make heavy majority of their money from those books, because they cannot make money from actual daytrading.