20. NEAPOLITAN MASTIFF
This breed isn’t just beautiful but a part of history, the Neapolitan Mastiffs are ancient dogs from the times of the Roman Empire. They are very protective of their families and require regular training classes to help overcome their stubborn nature.
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Expect an average initial cost of $3,500 with an average lifetime cost of $21,000 for these beauties. And of course, get ready to buy them a couch or two of their own and large quantities of dog food. The one plus point, they don’t have any major health issues and don’t need an excessive grooming routine.