For this career, there are a couple opportunities.The first one is that you can get a degree in kinesiology or exercise science. The second is that you can get certified by one of the national certifying bodies.
Their are some good benefits for this career. For example, you can control your own schedule. For example, you can go six days a week for an hour each day. Whatever's best for you.
Another good benefit is that you get to meet new people right in your home community and help impact their lives by helping them stay fit.
As with every career, everyone faces challenges. For example, with this career, staying motivated to work out everyday and not be lazy can be a personal challenge for some people.
Most personal trainers work indoors in a gym where you sometimes don't have enough room cause of all the equipment. Working outdoors is the best option cause its more fun and you have all the space you need to work out with large groups.
Overall, if your a person that is active, loves to be outdoors, and likes helping people, then this is a career that you might be interested in and would like to try out.