Getting up early in the morning and driving to the office and going through e-mails in your half-sleep, and dragging yourself forcefully to work to make few bucks. But what if you are given an option to make money from any location at any time, even when you are asleep? That is the concept which deals with affiliate marketing. What is affiliate marketing, and how does it work? Now, you must be having this question on your mind. So, let me tell you that you will get to know what affiliate marketing is in detail and its working methodology in this brief guide.