This can be one of the most lucrative ways to make money as a personal trainer. You can find all kinds of freelance opportunities on Upwork. It could be creating training programs for other companies, advising on training techniques, or writing articles for fitness blogs. This type of digital product is great for self-motivated individuals who want to work out on their own but still want the guidance and opinion of a fitness trainer.
Brands with items similar to these will offer their own affiliate programs to fitness trainers like you. Check out Trainerize personal trainer software and get instant access to packaged sessions (which you can also customize) for video libraries, meal plans and workout tracking.