eBay

I made a purchase and paid; I got a very good price. Seller then cancelled, saying in its message to me that it was an accidental listing, ("an item that we used to sell, ...I am still working on training my employees ...." eBay's notification to me ...

Is there any way to check one's Bucks balance?

How do I ask that a seller's charge of sales tax be changed? I made a purchase from an out-of-state seller who had not mentioned charging sales tax in the listing, and I didn't notice the extra charge during the PayPal process (yes, I know, my fault ...