I think that it is very important to crate train your dog.You never know when your dog might have to go into a create – for travel, vetrinary visit, etc, so it's best to have them used to it already to avoid added stress and anxiety. The best time to start crate The first thing to remember is that the crate must never be used for punishment. The crate should be your dog's safe and quiet spot where they feel happy and secure. Get the right size for you dog It should be large