1. No dog should ever ever ever be left outside unsupervised with an underground fence. Many dogs will take the shock and run off if the distraction is strong or tempting enough. And even if that never happens, your dog is totally vulnerable to attack by a stray dog, coyote, human, etc. He could also be easily stolen.
2. Yes, sandboxes do work but they are not a magical cure. You do have to spend the time training the dog to use the sandbox. You have to supervise closely at first so that you can correct him the instant he starts digging elsewhere and redirect him to his sandbox. You also must make sure to rotate the toys/treats you bury so it doesn't become boring for the dog.
2. Yes, sandboxes do work but they are not a magical cure. You do have to spend the time training the dog to use the sandbox. You have to supervise closely at first so that you can correct him the instant he starts digging elsewhere and redirect him to his sandbox. You also must make sure to rotate the toys/treats you bury so it doesn't become boring for the dog.