I think promoting for google is another great source of income someone can start up!
I've being doing this for years now. and the easiest of it is domain parked set up.
something like this http://www.americanfunding.co.cc/ . note this is not blogging.
this http://www.americanfunding.co.cc/ site as fetch me over $800 in less than
3months. if you need similar result in your google adsense account call me on
07089112233. i can help.