Affiliate marketing popped up like a mushroom in the internet world . Affiliate marketing is an innovated form of marketing which helps other people to earn extra income only by referring or convincing them to buy the product of network marketing. If the customer buys the product with the help of affiliate, the affiliate can get rewarded with cash or gifts. Due to its popularity, many competitors showed up, due to its competition, it can be difficult to succeed in this kind of business.