Probably the biggest thing that ticks me off is hiring managers who don't even know what they are looking for and as a result 'shop' thru candidates essentially

Probably the biggest thing that ticks me off is hiring managers who don't even know what they are looking for and as a result 'shop' thru candidates essentially wasting your time. I've seen this before when I was rejected for a position, and it got filled only to be reposted after 3 months. Go figure!