Everybody has a blog. Well, not everybody but almost
No matter your background and education there must be some thing you are good at.
So you can blog about it. Best thing is that starting to blog is free, so on investment there. The 2nd best thing is that you can make money with your blog.
Creating a good blog where visitors returns interested about your news depends on your skills. But monetizing your blog is another story. There are some good techniques to make money from your blogs.
I make money with my blogs, and lots of people make money with their blogs. But you have to know some things. I suggest you try this latest 2010 make money blogging techniques.