Do your research properly before buying a puppy.
Researching the dog and their breed before deciding what dog to buy. This research will tell you the character of the dog and what they can be trained to do. This also will tell you important details like how high maintenance they are, for example some dog might need grooming weekly and some might not or if they are high energy dog then they might need a lot of exercise. Researching is the nest way to find a dog that will not only suit your lifestyle, but also fit your budget and time constraints.