Some players abhor farming rep. Others dislike the farming professions, and still others would rather wear whatever good-enough item comes their way than devote hours, days and weeks farming gear, mounts or other items. Then there are the players who dislike farming on an actual farm. So OK, farming -- definitely one of those things that turns certain players right off.
But farming isn't anywhere near the top of the list of WoW chores I'm not fond of. Atop my list lurks a chore I dread so deeply that I will sometimes abandon (temporarily or even permanently) a character over it: updating a character after a major gameplay patch. Nothing turns me off more than having to tinker under the hood of a character I've long since come to happy terms with. Talent resets are my nemesis. The two or three characters I play the most? Sure, trying out the new stuff is kinda fun. But all those little guys who see only occasional play, the guys whose level I couldn't verify when I'm away from the keyboard and whose keybinds I forget after a day or three away? Setting them up again represents a major investment of time -- one I confess I'm not always willing to make.
What's your least favorite WoW chore? Do you suffer through it to gain certain benefits, or have you sworn off ever performing that dreadful task again?