re: electric fence or gps collar advice please

I have the spot on as well and it’s great. Fortunately I only need it for one dog. My other dog sticks around. Pricing it out, 1 gps collar was not much more than doing a fence for 7 acres… but economically, for 2 dogs, an underground wired fence would be better. Both of them require proper training to prevent them from learning how to escape.