I'm moving into my new house this month. We have a Pug and are looking at getting another dog. Most likely a German Shepard. It is a large chunk of land so I could probably get by with no fence but just to be safe I think I will install an underground invisible fence.

My parents' neighbors have 2 labs. They live on 5 acres (both my parents and the neighbors). The dogs used to always be over on my parents yard. My parents didn't mind too much as they have a dog too. But the neighbors installed an invisible fence and they have not seen the dogs since. So invisible fences work, even for stubborn dogs like labs. It takes a bit of training to teach the dog about the invisible fence. I believe there are even audible only settings that beep instead of shock. Or they start beeping and then eventually a shock, so if you train them right they should never get shocked.

So the fence vs invisible fence decision should come down to whether or not you want an actual fence for privacy or just want to keep the dogs safe and on your lot.

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2009 ML320 Bluetec
1985 300CD
1981 300TD

Past Mercedes
1979 300TD
1982 300TD
2000 E320 4Matic Wagon
1998 E430
1984 300SD
1980 300SD