I would say stick to the old reliable crate training, you must teach her where you want to go potty or she will never get it and will pee where ever she wants to. It's just like with a child, you can give your child access to the bath but unless you teach them what the potty is for they won't use it. It maybe a bit easier because your 2 year old will be an example but you will be the one to have to teacher her. oh and congratulation s on the puppy. We love to see lots of pictures here. I have a 4 month old Saint Bernard, so I'm going through this right now. I wish my others dogs would just teach her but it doesn't work that way. Sorry, no easy short cuts to this.