8. Sell your diet plan
Diets continue to be the craze in our country and there are dozens of people out there looking for the next best diet. If you have talents in this field, you can profit off them. Also, there are many people who just want to increase their nutrition value and live a healthier life. Either way, you will be paid to be their personal coach, and your sources can be anything-from other sources on the internet, to your own diet plans.