Do both... when you start making more from your side projects, it will be the time to consider leaving your day job and starting a business... By that time, you

Do both... when you start making more from your side projects, it will be the time to consider leaving your day job and starting a business... By that time, you'll have the experience with running the business and the leap will not be that painful... (unless you are like me and really love your job, then, it will be hard... every year I am postponing my "early retirement")