Any way to test the Shop?

Heya there,
i am trying to implement the Item Shop for my game Enline http://nonoba.com/jevishan/enline .
I expect it to be a lot of hassle, considering the stuff i want to sell, and i'd like to test it thouroughly which would seem a bit challenging, considering the only way i know of is having people buy stuff. I don't want to risk people's money and my reputation, so, can you suggest ways to test the whole Shop mechanic.
Ability to buy items for 0 coins would help..

Thank you in advance!

The shop works fine but when you log out of Enline and come back all you stuff is gone!

Pimpline is not an actual shop yet, you're not buying anything and it doesn't get saved. For now its just a dressing room at your leisure.
Here i was refering to Nonoba's shop mechanic.