At this age, the puppy has received all of its shots, been neutered or spayed, is most likely housebroken, trained and socialized.
As your dog becomes better housebroken, you can lessen the treats and increase the praise, and in time you should only be using praise.
It is imperative that you do not let the puppy roam around the house unattended until you are sure he is housebroken.
Once the puppy is housebroken, you should be able to let him roam free without worrying about messes.
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