Many Americans are not only worried about not being able to take care of themselve in old age, but also about what will happen to their pets. According to Mother Nature Network, a new breed of "retirement home" is cropping up across the country--retirement homes for cats. Depending on the business model, people who can no longer take care of their cats can pay up to $15,000 for a lifetime of food, shelter, medical attention, and love from various sanctuaries.