Affiliate marketing is useful for getting increase your earning money potential. You could earn money by promoting the product or services on sales per commission from the vendor. I mostly prefer to affiliate program of Clickbank and LinkShare.
Affiliate marketing is right way to make good money and you can earn more than 200 dollars in one month. You will get money for selling other website product.
When you promote a product for a particular client and the client pay for this then it is called affiliated marketing. Generally the marketing is done on internet so it is deeply related to internet too.