In some communities, dog need a license. Dogs need health care. Sometimes, dogs require flea and tick treatment or treatment for unexpected ailments or illnesses. In addition to the purchase price of your dog, plan for food, grooming, collars, a leash and perhaps some toys and a special bed. Dogs need companionship.
Friendship is a two-way street.
Dogs need all of the above for their lifetime. So, your dog will depend on you for love and care for a long time. Being a responsible dog owner is an important job and requires your serious commitment.