There have been questions lately about what kind of links are okay in signatures. If you have a website, whether it's a product, blog, personal, commercial, information, etc., it's fine to put it in your signature. Make it normal sized, not some ginormous, garish nonsense. Not only is it distracting and annoying, you'll defeat your purpose. Few Chazzers are going to respond to something like that, especially from someone we don't know yet. And, coming in and posting gratuitous little one liners that aren't really participating actively won't get you any customers here. Members tend to mentally tag those as spam and will actively avoid your site.