Comment: i would like to fence in my back yard for a big dog that i have gotten about 6 months ago. he is in a kennel all day when i'm at work so when i get home he is full of energy and i would like to be able to let him outside to run free for a few hours instead of putting him on a chain , which is what i am doing now. i have 2 1/2 acres, however i am only interested fencing in my immediate back yard at this time.