• Personality is already showing. You have a much better idea whether the dog is calm, playful, cuddly, outgoing, or independent.
• Adult size is easier to predict. With a small breed, an older puppy gives you a clearer picture of eventual size, coat, coloring, and overall appearance.
• Often further along with potty and crate training. This can mean fewer accidents and less work during those first weeks.
• Past the most demanding baby stage. Very young puppies need frequent meals, potty breaks, supervision, and nighttime attention.
• Longer attention span. Older puppies are often easier to teach commands, routines, leash manners, and household rules.
• More vaccinations may already be completed. Depending on age, the dog may have completed much more of the initial puppy vaccination schedule.
• Temperament can be matched to the family. This is especially helpful for homes with children, older adults, or other pets.
• Still plenty of bonding ahead. Dogs don’t have to come home at 8–12 weeks old to form a strong attachment to their new family.
• You can see what you’re getting. Size, structure, coat quality, bite, temperament, and other characteristics are generally easier to evaluate as a puppy matures.
• For breeding/show prospects, maturity can provide more information. An older dog may allow a prospective owner to better evaluate physical development and temperament, although health testing and breed-specific evaluations are still important.

For someone who loves the idea of a puppy but doesn’t necessarily want the hardest part of puppyhood, an older puppy can be an excellent choice.