You can start a website and get sponsors from google. It's handy but the pay is not that remunerative. You need time and effort to make your site popular too. It's quite a hectic task. Let me see how popular my site becomes. But online money is good too.
You can get details of site making and website hosting from where you can earn money
http://hothotboss.googlepages.com/googlehelp
It is a very good manual - a perfect online money making one!
If you still have doubts, you can buy a manual from
http://earnmoreonnet.googlepages.com
I bought it and it is comprehensive with figures, diagrams, etc.
Copy the links I gave here and paste them on a separate internet explorer window and check those sites.