For a few months now I've been diving into home income opportunities, especially online. You've got the survey sites, affiliate programs of all sorts, sites like fiverr, etc. My main goal is to build up a passive source of income with a site called cashcrate. They pay you to fill out market research surveys. I've made $90 with them since november, which isn't very good money. I've admittedly been slacking, and some very dedicated people make this much each month. This may sound like an ad, and it kind of is. They have a great referral program, and bonuses are given to those who refer others. I've been paid. They send checks by mail. surveyscoop is my site, where I go into more detail.
I'd really like to get going with adsense too. I have ads on my gaming site, but it's still a hatchling and averages a measly 20 views a day. 1000+ unique visitors so far and not a single ad click. I enjoy reviewing games, so it helps to keep me motivated. Doing anything with the goal of money at the forefront is usually a recipe for failure.
Sorry for the semi-advertisement, just trying to help myself and others.