Create a series of nice-looking ads, and place them in other webmasters' sites. The more you advertise (if you do it the right way, that is), the more money you make. That, in a nutshell, is how to do it.
Buy a established ebook website on Buy and Sell section. Then make a good sales letter. If the site has good SE traffic. I'm sure you will get $$$
if you choose clickbank, you better add more resources to the affiliate resources page such as keyword phrase, pre-sell article, banner, or sth similar. People love to promote the products with lot of resources they can use.