Thus, advertisers or merchants need affiliates, some sites which are willing to display ads for a particular cost. On the other hand, this is an opportunity for potential affiliates to earn extra income online. The easy way to earn from affiliate marketing is to join an affiliate marketing network. Joining poses several benefits to both the advertiser and the affiliate. For the advertisers, this opens a new door of opportunity to get more leads and sales, get higher return on investment and pay only for results. Affiliate marketing network lessens the risk of venturing into marketing without proper management and guidance.