I would add a couple things;
First, If you are sitting still and hunting from a brush blind, make sure you scrape all the leaves away from your feet.
Second, if possible, try to have at least one or two medium to big size trees between you and where you epect the deer to show up. That way you can draw while their head is on the other side of the tree and they can't see you.
Third, If you can find a place where a field cuts squarely (like a block) into a stand of woods. The back corners of those fields are excellent places to set up ambush points. Often deer won't go through the middle of a field in daylight, they will skirt the back edges and walk right in front of you. I have seen dozens of deer with this particular technique.
Fourth, if you are sitting near a creek or ditch that the deer have to cross, listen carefully. I have heard the deer jump from one side to the other before seeing them.
Finally, it is flat out the simplest way to hunt because there is next to no set-up, you can move if the wind changes, you make less noise, easier to go to the bathroom and if one spot isn't producing you just move without all the hasle of having to move a stand.
You will get busted sometimes, but I bet you get more close encounters than you would expect. I think you will fill your tag. Even if you just get some "close encounters" it will be so addicting you won't want to go back up in the trees.
Good luck,
Charlie