A Beginner's Guide to Clickbank
Clickbank can be a very lucrative affiliate program because the commissions are incredibly high. Some are as high as 75%.
Because the products are digital (ebooks, digital products, etc.), there are no distribution costs, so that's one reason Clickbank can afford to offer such a large share to their affiliates.
Here is a screenshot of my earnings as posted on the sales page of my eBook Niche Website Success...