Shelters are full of adult animals. This is a huge plus if you want to skip the demanding "puppy phase." Many adult shelter pets are already house-trained and have established temperaments.
You are flexible about breed, want to save money, and feel a deep calling to help an animal in need. adopting vs buying a pet
If you need a dog with a specific energy level, size, or hypoallergenic coat (like a Poodle or Maltese), a reputable breeder can provide a history of the animal's lineage. Shelters are full of adult animals