How can I properly care for my 3-month-old mini schnauzer?

To properly care for your 3-month-old mini schnauzer, make sure to provide a balanced diet, regular exercise, grooming, socialization, training, and veterinary care. Feed them high-quality puppy food, exercise them daily, groom their coat regularly, socialize them with people and other animals, train them using positive reinforcement, and schedule regular vet check-ups and vaccinations.