In addition to do-able, the other ‘abilities’ are marketability, profitability, and feasibility. Without these essential elements, your project will (probably) fail. Or you could waste time and money getting things off the ground. If you have few resources to waste, now is the time to do your due diligence.

Personal commitment and perseverance are essential, but not sufficient, to start a profitable side hustle. It takes grit to wake up to a busy schedule of answering emails, checking social media, making products, or fulfilling services for a future goal. Knowing every step will lead you to your goal makes things much easier.

Are you willing to work part time at the same rate, or less, than you make full time? If so, you probably just have a passion for exercise, or you need a part time job.

But what if you want to make more money – like twice as much? How are you going to make $75 per hour doing fitness training? It depends on the market, and the value that it brings to people who want to get into shape.