I am planning a marketplace install for the following

Hello,

I am planning a marketplace install for the following purpose:

1) To allow users to post classified ads.

2) To take a percentage from all sales.

I was wondering, is there a way to allow average people to post an item(s) for sale as a simple classified posting without having them setup their own "storefront"? I do have some commercial clients where a storefront would work well (especially for mass adding items), but for the average joe, I'd like for them just to be able to post a single item at a time - in a "classifieds" format.

Is there a way to do that?

Thanks,

Mike