6. Use Crate
Dog is not cruel but then. It will be useful if you use a crate to train your dog, in particular, when you leave it alone at home.
Among dog training tips, using crate is a prominent way to teach your lovely puppy. Animals will satisfy about the place they eat and sleep.
If your dog cannot stand the crate, you may bring it into the bedroom every night, teach your dog that crate is safe not dangerous to it.
In case you do not use crate, you should open the door and the dog will come to the house easier.