Mixed Breeds Have More Moderate Behaviors and Temperament. Just as mixed breed dogs enjoy more moderate physical characteristics than many purebred dogs, mixed breed dogs also tend to be a blend of behavioral characteristics, too.
If you're looking for a dog with a moderate energy level, a mixed breed is more likely to have this trait than a purebred dog from the Working, Terrier, or perhaps the Sporting Groups as recognized by the AKC. These dog breed groups all contain dogs which tend to be very active. Mixed breed dogs may display similar behavior to purebred dogs, but typically a more moderate version of that behavior. For example, a mixed breed dog may dig a hole to lie in but will probably lack the interest in digging for hours on end that is typical of a purebred dog in the Terrier Group.
Additionally, inbreeding can affect a dog's temperament. Dog breeds that are normally known for being affectionate and friendly may be shy and aggressive if the dogs are excessively inbred. Mixed breed dogs usually avoid these temperament-related issues by virtue of having a more diverse blend of genes, thereby lacking the issues associated with excessive inbreeding.
Mixed Breeds Cost Less than Purebreds. Purebred and designer dogs cost more money than mixed breed dogs. It's not uncommon for purebred dogs to cost $300 to $1,500, or more. Spending less than a couple of hundred dollars to purchase a purebred dog is unusual, especially if it is a puppy. Mixed breed dogs, however, many times are offered free to a good home. Getting a mixed breed dog can save you a significant amount of money when you acquire it.