1. Economic input: It is necessary to buy food, toys, beds and other necessary supplies for raising a dog, as well as regular veterinary examination and vaccination, all of which require certain economic support.
2. Time investment: Dogs need basic care such as feeding, walking the dog and grooming every day, as well as companionship and interaction. If you can't spend time and energy taking care of your dog every day, don't keep it.
3. Space demand: Dogs need enough space for activities, especially large dogs. If you live in a small apartment or have no outdoor space, you need to consider the dog's activities and excretion.
4. Understand the characteristics of dogs: Different breeds of dogs have different characteristics and needs, so you need to know and choose the dog breed that suits you in advance.
5. Health care: take the dog to the vet for health check-up regularly, and pay attention to prevent parasites, epidemics and other problems.