Very common. The entire eBay system is very 'clunky' - you would think they could employ people that had far better skills with the amount of dosh they make?
As a seller, try to even look at eBay on a Friday after about 10am EST and you have no hope. Mostly it will return "your password is not recognised" or simply a blank page.….pretty pathetic considering than even on my couple of pissy little accounts I pay them over AU$1K per month most months....not really good enough.
But then there is PayPus..............don't get me started, I'm on a first name basis with one girl at the Banking Ombudsmans office - hahaha