12. Bulldog
Average Cost: $2,000
Country of Origin: England
The Bulldog, compact and muscular with a broad head and short muzzle, traces to the 1600s.
Bulldog Photo: Ammit Jack / Shutterstock
Originally bred for bull baiting, it transformed into a gentle companion once the sport ended. Weight can reach 50 pounds.
Affectionate and comedic yet stubborn, it needs consistent guidance and careful diet to avoid obesity. Common health issues make insurance a wise safeguard.