[pcowans]

> 1 - what do you think about users paying in advance?

I guess it depends on your attitude to risk and the sort of service you think people will pay for. If you don't you presumably need more working capital, which has a cost, and you're taking on the risk that people won't pay but you're stuck with the goods. You're basically getting into traditional retail.

> 2 - what do you thin about the 5%?

I wouldn't pay it, but I don't have a problem paying for things online. You need to figure out what your target market will pay.

> 3 - do you think the buisness model is broken in anway?

It sounds like something which will need careful risk management, and may require a lot of capital. (Edit: Basically this isn't anything new - you're proposing becoming a retailer of 'stuff from ebay' as far as I can tell.)