congrats on the new addition and soon-to-be addition.
What is getting to you? Is it potty training? Obedience? what? Is he an inside, outside, or in/out dog? Do you expect him to be a pet/member of the family or a hunting dog?
to start, don't use "pee pads". Altough they train the dog to pee on the pad, 99% of the time the pad is INSIDE. during the day, keep him in a crate just big enough for him to turn around in. He'll look cramped but it's fine. He won't go potty where he has to lay/sleep (unless he's sick or can no longer hold it). As soon as you get home, take him straight to the back door and outside. You may have to drag him as he may want to "wander" or try to go potty as soon as he gets out. If this is a problem, move the crate closer to the door or even carry it outside before letting him out. He will learn to use the bathroom OUTSIDE. As he gets bigger, slowly increase the size of the crate. Feed him inside his crate. Leave the door open when he is not in there. Put a pad in there and his toys too. It will create a sense of comfort for him and the crate will become his "room". Eventally if he is bad and you scold him, he'll run to his crate. this is a good thing. He is learning.
My lab is 10 years old and he hasn't been in his crate for 6 years. This summer we pulled it out because he had knee surgery and he had to stay in the crate during the day. As soon as we opened the door, he went right in and layed down without any commands.
Put the crate in your room at night. Let him sleep with you (in the crate, on the floor). It will give him some comfort. When he whines, ALWAYS ignore him. Do not react at all, not even yell or scolding. This creates a reaction to his whining and he'll keep on just to get some sort of reaction. Ignoring his whining will be tough and annoying, but it will go away soon once he realizes it itsn't working.
Always be consistent with training. I used treats and positive reinforcment for basic obedience training. Negative reinforcement on a small puppy can be detrimental and will cause him to be skiddish.
Sometimes with obedience training, you have to physically move the puppy in a manner that you are expecting him to react. Do this several times and he'll slowly learn it.
All of this has helped with black lab of 10 years. He did go through 1 loveseat, 1 couch, 2 chairs, and a couple pairs of shoes.
BTW, if you don't want him chewing on your shoes, DO NOT get the squeaky toy that looks like a shoe!
Hope this helps.
*Edit*
The book Ron recommended is a great book. I haven't seen mine in 6 years, but its floating around here somewhere.