User Activity

I recently purchased an item from a seller in the US who is participating in the GSP. I noticed today in my PayPal account that the item had 2 shipping charges...one from the seller and one for the GSP. Is he allowed to do this???
Simple question. I'm in an offer/counter offer situation. I'd like to retract my last counter-offer to accept the seller's previous offer. Is this possible to do???
I had a seller ask me by eBay messaging the following. This sounds like a 'bait and switch' to me and as such they should be reported to eBay. Just want everyone's opinion. The following is the copy of the eBay message I recieved from the seller... H...
I am doing a search for a specific product. Why do I get different numbers of listings from ebay.com than I do for ebay.ca?