Check this out http://37signals.com/bootstrapped .
There are people running companies without outside funding and are probably pretty happy doing so. Applying to YC is time consuming: making videos, writing bios etc.
My job at the moment is working full time on the startup. I have been working full-time on it for the past month or so, so I wouldn't be "quitting" my job.
Thanks for your different perspective on the question.
Thanks for your different perspective on the question.