25. Old English Shepherd
The Old English Shepherds are sweet and adorable and are considered the perfect watchdogs for children. They are extremely loyal to their family and can only be aggressive if they feel that one of the members is in danger. The purchase price is around $1,200 and your unique coat needs grooming, often costing you around $88. When they grow completely, they are larger than average, making them prone to hip dysplasia and also developing hypothyroidism frequently. Again, dealing with a health problem through daily medicine can be quite costly. In this case, it can reach up to $7,600. His life expectancy is 10 to 12 years.