First pet stores began selling clothes for pets. Then kennels upgraded from a wire cage to four-star hotels for man's best friend. Now you can even buy insurance for your four-legged friend. Everything from health insurance to third party insurance for the family pet is getting to be big business in the animal world.Pet owners can find insurance for a myriad of pet related problems. For example, assistance in finding Fido if he goes missing; third party insurance in case Rex gets a little pertur.