You can make good money and the best part is once you learn how to do it, the lessons carry over to your own websites if you choose to build one.
The how question is little more involved. The very basic steps are simple:
1. Research a money making, easy to rank for keyword
2. Write your article optimized for google.
3. Build the proper backlinks.
Those are really the only 3 steps you need. Now if you want to know how to do those three steps, contact me through my profile and I'm willing to teach anyone for free.
There is a lot of information available if you dig around but much of it is wrong and it takes forever to put the right stuff together in a step by step process.