Worked properly 10 or 20 acres is plenty. I grew up on a farm also, dad had a 40 acre wood lot on the place he worked out a grid so My brother sister him self 2 of his friends and my self had a chunk to hunt in. We all did well when we stayed where our grid was.
I now also have a 10 acre plot I hunt alone, lucky it is a strip of woods with a horse pasture on one side and a leased out farm field on the other side and behind me.

Al