A few things, if you have a Yahoo store, I believe that Yahoo feeds some traffic into you from their Stores listing. But if you went through all this trouble to build a site, setup vendors and a shopping cart ... can't you find other ways other than SEO to monetize it? You know ... PPC, Affiliate ... and 8 million other online marketing techniques?

Just a thought, but you now have an asset (the site) and you are letting it sit there until Google lists you high enough to get traffic ... why?

Just a thought.

Arthur

By the way ... I am sure Staples appreciates the free publicity you are giving them by using their Easy Button.