There is a saying across the internet that content is king. At the core of how affiliate marketing works is you providing excellent content that people want and need to read that has attached purchase opportunities to it. It is that simple in theory. Please read our post about how to earn money through affiliate marketing. It will give you information about how to get started.
The amount of money you can make can depend greatly of you budget. If you have a small budget and you don´t have a lot of money, then you have to start with free marketing methods like article writing, blogging, forum marketing and such. It takes a lot more effort ant time to have success with these methods. But they are very effective if you keep writing articles and participate in forums. You can make $100 a day within just a few months just with article marketing.