Approval Copy Notes:
It's $3. Can't go wrong with that.
Ebook is easy to read for the most part and the author does a good job at not making it more complicated than it needs to be, giving you exactly what you need. As the OP did mention there is an initial investment required, it does involve an adjusted version of arbitrage but not in the way many would think (if it was straight arbitrage I wouldn't have approved it). There's no doubt this will make money and the method can be applied to multiple things.