Keep your job, hire freelancers to build the MVP, reduce your working hours once you confirmed the market fit with a few customers, switch to consultancy or par

Keep your job, hire freelancers to build the MVP, reduce your working hours once you confirmed the market fit with a few customers, switch to consultancy or part-time job when your startup makes enough money to pay your bills for at least 6 months in a row, quit your job when your startup makes enough money to make you happy but you feel it needs to grow faster than before.