If you are not signed up on Hubpages, I think you should be. I am completely biased on this topic, but I have had great success on Hubpages this year, and I would like to see the rest of you do the same.
So, I know now that it can be done, because I have done it. And therefore, I am telling you that you can do it too.
As a general rule of thumb, on Squidoo if your lens makes money for Squidoo, it will also make money for you. And once you become an expert at keyword research, you will also be able to use this process to make money directly from Adsense on your own websites and blogs.