See my blog on affiliate website business
There is a lot of information about making money from home this way online already. You really should take the time to learn about it before you start. There are several forums you can join that are just for affiliate marketers. With a little luck, you may be able to find someone in the forums to mentor you too. There are several affiliate marketing instructional videos and memberships you can purchase too that will teach you how to make money from home by affiliate marketing.