Crate training isn't home alone training. But what is the role of the crate in the home alone training then? There's a lot advise out there (pet professionals included!!!!) about crate training for leaving dogs alone in the house and a huge amount of judgment when everything goes wrong using it and you don't persevere. Crate training is an amazing tool for puppies and might be incredible for some adult dogs. I love crates, believe me! But not for home alone training. Understand the down sides of it and how you can use them in your training!