Taking online surveys is an excellent way to earn money online; however you should not consider it as full-time job. A good thing to do is always to do that in addition to your normal work. Joining multiple sites will help improve your profits, so sign up for as many as you can.
A lot of people make good money online by flipping domain names. You can find trending keywords through the use of Google AdWords. Use these keywords to make domain names that you feel will be common. You could do well simply making acronyms at random, if these have been in short supply.