That's the thing with trading , it's so easy to suck people in with lots of little profits so they always think they're on the cusp of cracking it.
No surprise eBook sellers do a roaring trade, same as seances and other scams if they fail it's because they didn't believe enough or follow the plan, they just need to buy more to find one that suits. Trading's not for everyone , if Jeff got his Msc in Computer Science he should be earning a lot more outside trading by now.