Some favorable aspects to selling them on the web and writing posts is that you just really get to supplement your monthly income. In this difficult market who can not use a few extra dollars? Lastly, only consider the knowledge you're getting by having to study some of the issues you write about. You will shortly be, or are, a fountain of useless info.
I've ranked websites in the past with spun content, and now they are still on #1 position of google. First year (2014) google found me because my spun was really bad, many paragraphs were just copied and my position drop from #2 to around #20 after a panda update. Later I cleaned all my text with better spun (I didn't buy any article!), my ranking went up again, and with more backlinks I reached #1 and it is still there