This is a good point as my Girl who will be 2 in march, when see was a pup chewed through an old fashioned Leather 2 seater, with ease strait through the middle, chewed dinning table and chairs shoes.boots and Kids toys, after a bit you dog will grow out of this, mine did and its rare she chews anything now.
Can not help you with crate training as i dont keep mine in a crate and i can totaly trust her on her own, also Potty training just keep at it, your dog will learn not to do it in the house just stick to your guns you will get there in the end, then you can tell every one else your stories of the time when your dog did this and that not what my dog does.