Making money from Affiliate Marketing

Basically there are two main methods to Affiliate Marketing:-

a. Article Marketing (also known as Bum Marketing)
In layman's term, it is as it sounds. Article Marketing. Basically you WRITE and you get paid. :) Well of course it isn't as simple as it is, but that is what article marketing is about. You write articles based on your niche and product, Add value to the readers and you lead your readers to your merchant's site. And you know what is the best thing about article marketing, it is FREE! Yep! you don't need to pay a cent to get your articles up. Some sites which you can submit your articles to are:-
www.ezinearticles.com
www.squidoo.com
www.wordpress.com
www.usfreeads.com
If you want to know more about article marketing, i suggest you to subscribe to Todd Alan's Long Tail Treasure E-course or Travis Sago Bum Marketing Methods

b. PPC (Pay Per Click)
Basically this is as it says as well. Pay Per Click. This is Paid Advertising. Google Adwords would be one of the most popular PPC advertisers. If you haven't noticed on the google search engines, many a times ads are posted on the right hand column of the search engine under the "sponsored links". Those are pretty much PAID advertising and the advertising space is costed by per clicks.

There are lots more to go into regarding these two methods but this post is just to give you a general overview.