thansk to whoever PK'd me while i was selling items to an npc... whoever though pk enabled shops was a good idea kill yourself. time to go on a different server i think. one less pk happy. yes i noob deal with it. peace.
Which NPC were you selling to? Inside of Forsaken City has PvP disabled so you can do it there without worrying. It's just a matter of learning and getting used to things. :)