Image from Wikimedia Commons. There are several advantages to crate training. Once a dog equates a crate with a sense of security, you can transport the crate anywhere, and the dog will feel secure. Also, crate training can be used to help with house-training issues that older dogs may have.Any dog rescued from the racetrack, a laboratory or a puppy mill may not be house-trained.lace in the crate a cushion or dog bed, dog toys and an old item of clothing you have just worn. The smell will comfort the dog while you are gone. According to the ASPCA, dogs will not want to soil in their dens. Leave the crate open while you are in the room with the dog.