The biggest mistake you can make when you put your new dog into the crate is this. Lock Them up and walk away. There are two different parts when you start crate training your dog. The first is getting used to being isolated, and the second, is being separated from you. Focus on splitting these two challenges up, whether you are starting with a brand new puppy, or if you are training an older rescue dog that needs to learn that the crate is a safe and great place to go to. | Say It Once Dog Trai