A low cost way to have users order promotional supplies

FREE! - Quick and easy to setup, the CafePress.com online store is the easiest way to start selling branded merchandise online. Just upload your artwork, design up to 14 different products, and get your own personal online store. When orders are made, we take care of product manufacturing, shipping, and customer service. All you have to do is promote your store and collect commission checks.

http://www.cafepress.com/cp/info/index.aspx