Anything is possible, technically speaking

Basically this is what Not on the High Street does for giftware sector and any number of drop shippers the world over (In drop shipping the retailer satisfies the order and the service provider gets a commission - would this be the model?).

I can give some initial advice, but you should stick kettle on ... and I will erhm get some clothes on. In short it is very easy to create a "shiteshop", even if you don't know how. It is much harder to make money, the hosting provider is very often the main beneficiary ...

... however startups can leverage a wide wide range of platforms and emporia to start their own (mini) Empire in no time, as long as their ambitions are not world domination by day 10.