Amusing quote from that page: “This revelation led to a class action lawsuit against publisher Hyperion, a division of The Walt Disney Company, which settled the case by offering to swap the Beardstown Ladies books for other Hyperion books.”

Considering I'd estimate something like 99% of investment book purchases are "for entertainment purposes" (i.e., the buyer either doesn't read it, or never bothers trying to implement any of it) this may be a decent option.

A common strategy for binary auction scams is to rig the market in your favor so that you think your a genius and then you go all in. Then they rig the market against you or simply block withdrawals.