An affiliate is simply an individual or business who signs up to promote someone else's product or service for a share of the profits. It's one of the most popular ways of starting an online business. It doesn't require you to have your own product, write sales letters, process orders, fulfill orders...or anything. You simply sign up for fr'e. Promote the link they give you and you're paid a commission based on how many sales on made.There's only one problem with being an affiliate. The average .