1. If you have a lot of enthusiasm for hanging with your dog or cat, start a pet sitting or pet walking service.

2. As your kids get a bit older, encourage them to create their own businesses think of pet sitting, pet walking, designing websites etc.

3. Bnother option that's a longtime favorite of students and young adults is earning extra cash for house and pet sitting.

4. PET CARE: Offer services such as pet walking, bathing and brushing, and pet sitting.

5. "As much as you are working with animals for a living, you are also working with their owners," says Erika Teschke, owner of Erika's Pet Service, a pet sitting and dog walking company in Seattle.

6. Another option that's a longtime favorite of students and young adults is earning extra cash for house and pet sitting.