Dog insurances are of many types and they depend on variables like the state you live in
, the age of your dog. Most dog insurance companies do not insure puppies below eight weeks of age and dogs that are more than eight years old. If you have a dog older than eight years you could try with some companies that allow insurance of senior dogs, but these are expensive. Some policies are only applicable in certain states so check this out. Dog insurance depends also on the breed of your dog, if the company thinks your dog is high maintenance and prone to diseases, it will not insure your dog. Research all these facts, and once you have all the information, settle for dog insurance that is the best for your dog. And also reading dog insurance reviews online might be a good idea.