6. Rottweiler – $9,000
These dog breeds are more common than the common dogs. Although Rottweilers are not expensive, usually starting at $1,500, they can rack up money in vet bills due to health issues. This dog breed is a little different because it is highly susceptible to almost every disease and/or cancer. Their lifespan is on average 8-10 years. This breed is known as a great pet due to its loyalty and obedience to its owners.