[powertower]

A plus for minimalism, but I don't see who this is for and why they would use it?

What's your market?

It's not ebay or craigslist. You'll never get enough buyers and sellers together; then there is the fraud/scam issue.

I don't think it's existing merchants with websites.

So who is it?

[XLcommerce]

How about a small merchant with a bricks and mortar store that wants the most friction less way possible to list goods online? Business people are busy. If it takes 30 sec to set up a store that's a big win.