1. Firstly you should find what are your skills. note down all your skill sets. its not nessesory it should be related to internet.
2. learn how you can utilise your skills as inetnet or online projects
3. visit sites those are hosting freelance projects.
4. find appropriate project .
5. Study in and out that project. make detailed plan for this project. prepare a nice presentation about how you will exicute this project.
do mention all you plus points in presentation. also state how you can value add to project than other people. this is very crucial step and all your carrier will start with this step :)
6. quote a little competative rate at first. do some pilot projects to just earn repuation. once reputation is build you can start earning more and more.
7. maintain quality in your work, be onest with client and deliver result in any condition. this will not only satisfy your clent but also they will divert new clents to you.

simply follow thease steps and you are ready to lauch your online jobs / projects. Wishing very good luck for those who wish to start new online jobs/projects.
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Love Moves the world.