ANIMAL REGISTRATION / ID SERVICES - Potential earnings $15,000 to $30,000. Your typical fees are $6 to $10 per license, $20 to $40 for electronic ID service. You can advertise with Yellow Pages, veterinarians' offices, local trade fairs or word of mouth. The only qualification is that you may need to apply for a license to see dog licenses. Equipment needed are electronic ID patches, computer, dog tags / licenses. There is home business potential. No staff required. It is a handicapped opportunity. Hidden costs would be insurance. Pet registries contain photos and identifying information about household pets, primarily in case an animal gets lost or stolen. You can launch this one without much hassle - and with as little as $500 (mostly to cover a small product inventory). People are just plain crazy about their pets, and can be easily convinced that your products are of value to them.