On the other hand, some dogs are naturally easier to train. Please consider how much you are willing to put into the job. There are breeds which respond to only one master. There are also breeds with a tendency to bite. Of course, these are tendencies, and not all, or even most, individuals would exhibit this trait.
Personality is generally a part of the breed, and a factor in choosing one breed over another.
In this category, we have also included those dogs who tend to fight with other dogs, given the opportunity. As well, professional grooming will be an added expense to consider. If you wish your dog to have specific abilities, please think it over carefully. If you choose one of the specific categories listed in this question, the computer will only match you with dogs having this ability. This is not to discourage you, only to make you aware that your will be narrowing your choices considerably.