Are you interested in starting a personal training business? If you have a passion for fitness and want to help other people improve their health and overall well being, this just might be the perfect small business idea for you to launch. You may be able to lease space in a health club or other health-related business, or you can open your own studio or work from home, seeing clients in their homes or places of business. Whatever option you choose, you’ll likely find that helping your clients burn fat and get in shape is very rewarding.