Newspapers are probably better than pee pads, and cheaper. They do not have plastic backing, so it will not hurt the puppy, the puppy will be unlikely to try to chew them up.
If you leave a puppy that is 2 months old, or under in a crate for 4 hours, one of two things will happen: if you empty the puppy out before you go, and do not leave water or food, then the pup might be able to make it until you get back; or the pup will soil its sleeping area. And then you can have a real problem in house training because a dog forced to lie in its mess will lose the instinct to keep his sleeping area and eating area clean.
What to do? You have to work. And it is really too hard to bring him to work and leave him in the car so you can let him out every hour or two.
You can create for him an play area. Puppy proof a room that has easy to sanitize flooring, and put his crate (open), and his water bowl, and some newspapers down in there for him. Leave for him a safe rubber toy.
Or, you can set up a kennel in a basement or garage for when you are at work. If it is say 10'x 5', you can put a small swimming pool in there and put some wood chips in the swimming pool and teach the puppy to use that area to potty. Or paper train him and put papers down.
In another month or two, 4 hours will not be a problem for him.
If you want to try and clean him out, get up 3 hours before you have to leave, let him potty, then feed him and let him drink, and take him out again, praising him for pottying outdoors. 2 hours before you leave, remove the water. It won't kill him to be without water for six hours. Right before you leave, have him potty again. Then put him in his safe place or crate.
Then once you get home, take him out to potty, and give him food and water. Potty again. And let him have water the rest of the day.
We can shut water off at night for them to sleep. We can shut it off for short periods during the day as well to kind of make it easier on the puppy. Never leave dry food with the dog without water though. In fact, feed him on a strict schedule. Water should be available most of the day. But you can turn it off at 7PM, and take the pup out once again at 11PM, and he should make it until 6 AM when he wakes up. But then he will need to potty and to drink. Shutting the water off at 7AM, letting him potty once more at 8:30, and then giving him food and water at 1PM again, he will be fine.
Will it work? Maybe.
The problem is that the puppies bladder needs to grow, and if it is full, he is going to need to let some out. If you keep the food and water on a schedule, you can improve your success in house training within reason.
Filling a puppy full of water and then putting it in an appropriate sized crate for four hours is much crueler than limiting the water for a couple of hours a day.
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