Don't sacrifice morals for a quick buck — At the outset, you'll want to do all sorts of things to make money online, but don't sacrifice your morals for a quick buck. Not only will you put people off, but you'll lose Google's trust. You also shouldn't concern yourself with things like Adsense or other ads on a blog before you have around 100,000 visitors per day. Yes, per day.
Some churches don’t have volunteers for their music. A talented pianist, guitar player, etc. can make pretty good money doing this on the weekends. Most churches offer tryouts on occasion. This idea is pretty easy to get started in that you just need to reach out to your worship pastor or someone in that ministry and let them know you have the talent and some experience. Don’t be shy!
Regardless if you need to earn some fast cash or we're just talking about making money in the grand scheme of things, there's an important psychology that needs to be mentioned before getting into the strategies. If you study Freud's model of the mind, you'll discover the Psychic Apparatus. It's the three-part construct in your mind that controls all of your behavior.