20. Chihuahua
Life expectancy: 12 to 18 years
The average cost: $650
Potential minimum healthcare: $5,500
19. Cesky Terrier
Life expectancy: 12 to 15 years
The average cost: $400
Potential minimum healthcare: $1,500
18. Field Spaniel
Life expectancy: 10 to 12 years
The average cost: $550
Potential minimum healthcare: $2,300
17. Redbone Coonhound
Life expectancy: 11 to 12 years
The average cost: $650
Potential minimum healthcare: $1,500
16. American Pit Bull Terrier
Life expectancy: 12 to 14 years
The average cost: $600
Potential minimum healthcare: $5,100
