Shop on Amazon For an inexpensive DIY dog fence option, you can go with wire fencing on wooden posts/frames. The fencing wire itself is cheap, costing as little as $1.50 per linear foot.

The MASBRILL Electric Fence for Dogs comes with 656 feet of copper wire, which can cover up to 4/5 acre. You can also purchase additional wires to expand the boundary up to 984 feet.

I’ve never met a dog that wasn’t deterred by wire. Diggers will continue to dig ... Enclose it with fencing or another barrier that allows you to keep an eye on the dog -- and vice versa.