User Activity

Need to block a seller as she abusive e mails after I had contacted about not recieving item and she wanted me to pay through private bank account ater I had payed through pay pal 1 month ago and want to send me only 1 item instead of the 8 as per de...
I am new to ebay And wondering how my account work had read a lot about ebay .Can I make a order while waiting for my money transfer from my bank to ebay account .I have two (savings,credit card).