Accessibility. If I have to walk through a cutover full of blackberry bushes to get to it, then I'll probably spoke every deer in the area in the process. I need to be able to get in and get out smoothly, quickly and quietly. Having more than one route in and out is a great advantage, as you may otherwise send scent to where the deer may be bedded up on your way in.

Moreover, to contradict myself, I look for remoteness to human activity. There was (before they cutover the wood lot) a buck that lived in shotgun range of our farmers rabbit beagle pen. And you cannot come within 150 yards of that pen without 25 beautiful voiced beagles telling the world that they are happy to see you coming and would you please feed them... its like ADT or a early warning missle launch alert system. Deer that live in and around humans a lot, get pretty wise to our patterns.... much moreso than we get wise to theirs. I've found it easier to pattern and take deer in places off the beaten path than on it.... however deer back in the thick stuff do get educated rather fast once you invade their space.

I also (if its a treestand) look for good back cover... once the leaves fall, most of my hunting is done from a ground blind. Its warmer, contains your scent better, and you don't get outlined or spotted againest the setting sun.