Why use a dog crate? Correctly and humanely used, a crate can have many advantages for both you and your dog: You& Can enjoy peace of mind when leaving your dog home alone, knowing that nothing can be soiled or destroyed-and that she is comfortable, protected and not developing any bad habits. Can house train your dog quickly by using the confinement to encourage control, establish a regular routine for outdoor elimination, and prevent accidents at night or when your dog is left alone.