Americans love their pets. More than a quarter of all American households have dogs or cats. And then there are parrots and parrotfish, guinea pigs and pot-bellied pigs, iguanas and anacondas. If you love animals, you can start a profitable business caring for pets when their owners go on vacation. A pet-sitting business is easy to start and inexpensive to run. You can board pets in your home, visit pets in their homes, manage a staff of pet-sitters or even combine pet-sitting and house-sitting for greater profit. Plus, you can offer add-on services like grooming and walking. Learn everything you need to know to be a success, including: Tips on animal feeding, grooming and exercise Medical care information and resources Insurance, regulatory and legal liability issues What toys and supplies you need to make your job easier Startup basics like writing a business plan and managing your finances If you love animals, don't delay. Learn how to turn your passion into profit.