User Activity

The seller and i have mutually aggreed to cancel a transaction. The seller has sent me the cancel transaction request messaage and they say click on the "Respond now" tab and accept request. But when i click on the "Respond now" tab it just goes to a...
Trying to sell an item but when i try to upload photos a popup keeps saying it wont accept my photo format even though their in Jpeg. I've tryed reducing size and converting photos to BMP but same popup. I've even tryed to upload photos i've used on ...