There is a difference between getting traffic to your site and making them stay there to purchase something. To get search engines list your site in their results, you can add your site URL below, which would submit it to some of the top search engines.
http://www.geocities.com/Athens/Agora/4229/url_search_submit.html
Turning the traffic into buyers of your product can be done would take a lot of effort in terms of site content, usability, competition from other similar sites, etc
If you are unable to manage these things on your own, you can let a professional service do this for you. Visual Apps is one of the best companies, which would help you convert web traffic to potential business.
http://www.visualapp.com/convert.htm
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