Originally Posted by Dog Dancer
I have to agree with LavenderRott, you need to leash your pup up before answering the door. Hold the leash and make him sit before you answer. If he goes to move give him a correction. If he tries to run out you will have control of him and be able to keep him safe. It is important that he learns that you and your parents control the door - not him. This dog needs some training it sounds like. Good luck with that, but really, put a hook beside all the doors and hang a leash there. Clip it on and answer the door. Problem solved (for the time being).
I agree with this especially if the door open right out to a street that has heavy traffic. I knew of a woman that lost her dog this way, someone opened the door and the dog ran out got hit by a car.