Here is what a dog owner told me about the fence.
He said he had a very hard headed BC. SO he bought the underground fence from the pet store. He tested the collor on himself first to see if it was too painful. he said nope. it just scard the hell out of him.

So he trained his dog & it didn't work too well & then the next year it broke.

He talked to pro. company & they told him the cheap pet store ones do not work in Canada at all. You have to get the THICK wire cables & the ones desined for cold & long term underground use.

He had that installed & it didn't fail ever. but his dog became more hard headed & would quickly run through thte fence. So he bought the most powerful shock collor u can buy.

Once again he tested it on himself & he said it jive u a really good jolt, but it does not hurt at all. So he put it on his dog & he said his dog hasn't gotten through tthe fence in 6 years. He said the dog still tried, but cannot get through.


So store bought ones r poopy & the Pro. ones with THICK wire r good