The Affiliiate, who markets the Merchants product for a commision of the sale.
Merchants only pay out commisions upon a sale, making affilitate marketing a risk free method of product promotion. If you have 100 affiliate promoting your product, none of whom result in a sale, you owe nothing.
Affiliates earn reveneue by recommending Merchant products and aren't required to create products or handle customer service issues.
As you can see, this is a win-win for everyone.
How to Profit from Affiliate Marketing
Affiliates
Joining an affiliate program is quick and easy. The following companies offer affiliate programs:
E-Junkie (www.e-junkie.com) has an affiliate program that you manage yourself, and like the rest of their services, it rocks!
ClickBank (www.ClickBank.com) is a little more challenge to set up, but they are very well known.