So it looks like you added a number of costly items in one go, along with having  only made one sale in the last month.  Do u have receipts for all your listings? Or did u make them yourself? My advice would be to make sure you are keeping records and retaining reciepts and invoices where required.  Keep Checking your email for any messages from eBay . They arent going to keep/hold your money permanently. U will get it in time once u make a few more sales from your current listings