If you decide to become a ghost writer to make extra cash, there are two skills that you need to hone. First, you need to make sure that you are writing at a professional level. You know good writing when you see it. When you start writing for money, clients expect you to hand them in high quality work.
Writing skills are only one piece of the puzzle, though. In fact, they won’t matter at all if you can’t find clients. Here’s an overview of where you can go to find writing work. Choose one to start out with and once you get pretty good at attracting clients using that one method, add others to your repertoire.