1.
Try creating a new blog. There is a small investment in terms of money if you buy a new domain name and your own space. You can also start a new blog for free on websites like Blogspot, Tumblr, Wordpress etc. Most people use Blogspot.
2.
Write some useful [really useful to general public] content on it. Put some ads [Adsense, Infolinks, Adbrite etc.] on it.
3.
And earn money.
Few examples are Labnol, Chandoo, ihackintosh.