How can I train my 7-year old dog to only go potty in a certain space in my yard? We moved to this location a year ago and are now getting a fence in the back yard, I'd like for him to only go in one spot so that it is kept clean for my toddler to play in. Don't want there to be pee and poop everywhere. I don't feel it is clean even after we use the pooper scooper, you know? I thought that since we are getting a fence, it may be something we can train him to do with teh introduction of the fence? Any help is appreciated!