A friend of mine is getting his house re-possesed and he has nothing to do with his dog, so he's giving him to me. It's a 2 year old German Shepard. The dog was house trained but then moved outside about a year or so ago. Also he's always been inside a chain-link fence. I'm hoping he should figure out the house training without too much trouble, what does everyone think? Also I have an underground electric fence for my dog now, I wonder if being 2 years old I'll have problems with training him? I worked with mine when he was a puppy with it, I'm not too sure about training an older dog to it. I'm going to try to get him trained so I can leave him inside or out and not have problems.