eBay

I'm tracking my package. It's been on Shipment ready for transport for 3 days now. I was just wondering, is it loaded onto the ship/plane and the ship/plane is awaiting departure, or might it simply be the fact that my shipment has indeed already beg...

I do not longer want the thing I bought from eBay, and I'd like to cancel it. I still need to wait for it to arrive at my place, then send it back to the seller, right? and it's not until then that I'll get my money back? Or is it possible to cancel ...