To profit from adsense program:

1. you need a blogger blog because it's cost-free. Don't use wordpress, you're not allowed to monetize it if you won't buy your own domain and hosting
2. you need also a bucketload of patience
3. ample time to gain traction as you go along your journey
4. brewed coffee in case you're sleepy during night time
5. a ton of traffic
6. your PC of course
7. an internet connection, a dial-up connection will do
8. you have to read other folks experience/tutorials and above all understand what you're reading and then apply.
9. Whitehat and blackhat knowledge are also important