As a fitness instructor, you are required to get some experience in weight lifting and nutrition before you start providing these kinds of services.

The fitness instructor's main job is to create tailored fitness and wellness plans for individuals and groups and curate them.

They assign exercise routines based on clients' physical needs and monitor their progress.

Also, as a fitness instructor, you should have some knowledge in the nutrition field and have some kind of formal education.

Ability to teach and motivate people of all ages; 
Good communication skills;
A good level of physical fitness; 
A positive attitude and an approachable personality.

$1000 - 5000 monthly

✅ You will active and fit

✅ A good way to improve your network

✅ Flexible work

✅ Cheap to start

❌ Hard to start

❌ It might get stressful

❌ Sometimes you will be out of clients

❌ Hard to get an initial audience

To become a fitness instructor first you need to physically healthy. 

The best way to get clients is to have a social media presence. 

You can establish social media presence by sharing various useful tips with your initial audience. 

Another great way to get clients is to use paid advertising like Google Ads and Facebook Ads. 

As you establish your brand you will get referrals and this is the best way to get clients as a fitness instructor.