User Activity

hi i won a couple of items from the same seller. went to pay for it tonight and when i clicked on the pay now button, a seperate box came up telling me that i needed to put in my phone number before i could buy from that seller. Of course i didn't pu...
i have been looking at an item with buy it now or make an offer. twice now i have made an offer on this item, the seller never responds and i get an offer expired message. i thought that they had to respond to an offer~is this true or am i wrong? doe...
i have a number of things that i have bought from here and o/seas and they haven't completed my buyer feedback. is there anything i can do, i have just sent them a message. thanks