objective: maximize your short term income and long term business.
Option 1, Agressive one -- quit job
Pros: full time work on your own product, which has potential
Cons: 1) short term income = 0;
2) uncertainty of money-making of your own product.
Option 2, Conservative one -- stick with the current job.
Pros: have income.
Cons: 1) job satisfaction
2) no time for your own product development, marketing, and financing...
Option 3, Alternative
1) Find a job from which you can enjoy;
2) Find partners, who can help marketing your product.