Applying to YC is all about focus - if you get accepted it's the first thing you should if you want to invest in your startup more than everything. If you risk

Applying to YC is all about focus - if you get accepted it's the first thing you should if you want to invest in your startup more than everything. If you risk losing your job, make it a side project. One other thing you can do is to start working on it full time and get funded only after a considerable amount of development has been done in a better valuation.