This is a great idea. Turn an expense into a profit.

Most people would probably pay an editor to edit their book.

Instead, ask people to pay to edit your book.

I've always been amazed by people who are willing to wear advertising.
The NFL is a business. It doesn't pay people to wear shirts advertising
their business. Instead, people pay money to buy a Washington Redskins
or NY Giants shirt.

Other businesses pay money to advertise. The NFL gets free advertizing --
no, better -- they make money on advertizing.