Older video, but still relevant
Check out this offer here. Some industries have high CPR training needs and if you position yourself properly, you can be the instructor that grabs a fair share of this extra income. These trainings are usually on appointment, making this an excellent supplement to your job. $15K is really on the low end of what is reasonably possible from a part-time safety training business. No matter what organization you hold your CPR and safety training curriculum through, these strategies will give you an advantage over other competitors.
Income Possibility (not typical nor guaranteed for all)