If you have no experience, personal trainer opportunities may still be available at the entry-level. You can start as a freelance trainer and find a client looking to develop a health and wellness program. In this scenario, you start with an education session and build to leading a workout. You can also handle the responsibilities of teaching a fitness class at a gym under the supervision of another trainer. Your duties may include designing a workout, building a playlist, and motivating others throughout the exercises. Afterward, you may get tips on how to improve your coaching skills from your supervisor.