You
will see more deer from a stand.
You
will increase your odds of obtaining a better shot...brush and tree trunks may block your shot from the ground, whereas from a tree most "obstructions" are branches (most of the time).
You
will be able to move more on stand, you
may get away with less-efficient scent control, and you
will be better able to blend into your environment (especially if wearing hunter orange during gun season).
With that said, I've killed many deer from the ground. I have, and actually prefer on large tracts of land, to stalk with the bow during the early season when they are less active.
But during the rut, just get a good "spot", ie. next to well traveled doe highways, food sources, rublines, or water---
be patient, don't move and pick a spot for the shot.
On the ground you will have to be more cautious with movement, be more alert (as deer
will appear quicker due to the lower vantage point) and possibly quicker on the draw...but don't go buy a $200 stand just to "hunt"...you don't need it to get out there...
