User Activity

after my listings have ended they have automaticly been re-listed , how can i stop this from happening , have gone into my listing to alter but it isnt showing up .?
why am i unable to edit my listing , keeps asking me to sign in and then keeps sending back to same page requesting sign in, doesnt say error in password ?this has been happening for tha last couple of hours
Why was my item relisted by ebay automatically , after the 6 days ? I was going to wait a few weeks before re listing as we were going to be away
can anyone tell me the exact percent of final value fees when I sell an item ?
why does my items in the sale section furniture say that they have ended , but in my all selling says they have 2hr 32 min before ending , have noticed this before .