Since pups don't like to soil their sleeping area, crate training is one of the most effective house training methods, she says. (mnn.com)
Once your puppy has enjoyed some free time and it's nearing 20 to 25 minutes before a scheduled potty visit, you need to switch to using your chosen house training method. (labradortraininghq.com)
If he doesn't, revert back to basic house training methods — let him in to warm up in his crate, but send him outside again until the job gets done. (sojos.com)