Different categories are not reviewed at the same time by the same person.
Sure you can, the exclusive program means that you can’t sell the same product here and somewhere else. But as long as your item is not for sale here, you can do whatever you want.
I really want this feature and I promise to provide feedback this week (iphone, ipad & nexus 4)
He wouldn’t have had a refund if he had downloaded the files.
It can happen if the customer changed his mind and didn’t download the item so in this case he could ask for a refund.
If I’m not wrong I think that you keep the same average rating on your profile.
If you don’t see your item anymore from the dashboard, then it means that it has been reviewed. Have you checked your spam folder ? You should have received an email.