There are different ways of making money from online. First of all you have to find out which one is your area of expertise. I am a affiliate marketer, I can help you or suggest you about affiliate marketing. First of all you need to learn the basic of Affiliate marketing. There are lot of resources over internet on Affiliate marketing. The most important part of affiliate marketing is getting traffic. There are different effective methods available for getting targeted traffic in short period of time.
CPA is best way to make money, less investment and you will get pretty good ROI. If you need any help ping me