Hi, I had Kodak for 2yrs before I got him a playmate and I figured it may be hard to potty train another dog. Kodak was pad trained but I slowly got him trained outside. I figured when I got my 2nd yorkie, Kodak would pick up her habits and start peeing on the pads again and missing the pads etc. That's exactly what he did when he would smell where she used it, he would use it. I finally decided to take them out together so she could smell his pee outside. I also would take her poop off the pad and toss it outside in the grass. She then started using it outside and they now only rely on the pads if I'm gone all day. I confine them to use the pads only in a certain area and I give them a treat if I see them use the pads or use it outside. It actually worked for me. Even though accidents can occur, they are far in between. Good luck with your new puppy.