the easiest way make money through internet is direct selling , you try it with one of company legal good luck
You can earn even without investing anything. There are several things to be done. You just need to find them out.
Write a short and useful report with a few affiliate links to related products. Promote the heck out of it with free articles sites, web 2.0 sites, etc. Collect emails and send them useful newsletters on a frequent basis. There are free auto-responders you can use, such as SendFree.com.
article writing, payperpost, and blogging i think. i did this sometime but forced to quit. well, don't ask for the reason why.
If I were you I would create a couple of online blog and put some adsense code on them. Then just submit them to social bookmarking websites and see if you are successful online and whether you think you should continue or not.