As someone who tried to do exactly what you are suggesting, but with considerably less runway, find a job and start the business while you have the job. It was

As someone who tried to do exactly what you are suggesting, but with considerably less runway, find a job and start the business while you have the job. It was a disaster for me trying to go all in at once. Especially in one of the most expensive cities in the world, NYC. An I was 30 when I did it. I ran into all kinds of issues that I didn't foresee. Health issues, money issues, etc etc. Now I have a job while also starting a business and its running a lot more smoothly.