User Activity

I have had 2 buyers in the last week choose an express option when sending their payment from their own bank branch to my bank account and selecting that I have to pay the $7.50 fee...has anyone else encountered this and how should I handle it? thank...
on my buyer account i have a NPB threatening a neg if i dont mark that she paid (she hasnt) and then do a mutual cancellation - she claims ebay told her to tell me that i have to mark it as paid then do a MC or she can leave me a negative - any advic...
I only sell with Buy It Now in my store... ebay then sends some or maybe all buyers an email saying YOU HAVE WON item no **** - I have now had 4 different buyers email me asking how to claim their FREE item that they won when they have actually only ...