You can drag traffic to your website by paying to google or yahoo or you can do it for free.
Free - Optimize your site well in all the major search engines mainly google, yahoo and msn. Concentrate on content because content is the thing that attracts customers and retains their attention and turn leads into sales. It also helps in branding and gain inbound links. Quality content and proper use of keywords would improve your site PR. Article sumbmission, press release, Directory submission, Forum sigs, Blogging, RSS & Feeds it would help you to build up a huge network of backlinks.