User Activity

An Unpaid item Case was opened and closed against an offer I made but did not get an acceptance email from seller so I purchased elsewhere. The case is over 60 days. I Only found this out when making an issue of 2 items not received (30 day deadline)...
When I delete something I want it totally gone I have 10 pages in the Deleted Folder and at least 100 items in Did Not Win Folder still to clear. I delete items from the Did Not Win Folder they then apear in the Deletd Folder but How do I delete item...