Earn money by selling forum signatures

Do you can earn money by selling forum signatures! If you have a account in a forum with sufficient number of posts you can sell your signature space. Some forums don't accept selling signatures space. If you have high post count and good reputation you can get high amount. People buy your space because they want traffic to their site. Forum signatures also works as backlinks. Backlinks are very important in SEO. Try to earn some money by selling your signatures in forums.