[halcyondaze]

? That statement doesn't even apply in this situation. In that statement he's referring to how he's value-priced his product at around the hourly rate of a solid app developer, so purchasing the book (that he's collated together through experience and time) is really not that expensive, especially if you compare it to doing it yourself.

In his second response, he's saying that he'd rather not pay $30 to sell a book that he (was) selling for $29 (now $39).

One statement refers to value of a product to his target market, one refers to simple profit calculation on his own product.