[eps]

It is not clear if this is for individuals trying to rid of used things, for smallish retailers or for whoever else. Different types of sellers would expect and need different things from the step that follows adding items to the cart.

Basically, the mention of paypal email address is what throws me off. It implies that this is not just a listing site, but something more, with a payment processing attached to it. This leads to another can of worms - is it an escrow service, what about refunds, returns, etc...