I don't know about you, while I agree that unit testing can reduce defects and therefore can maximize ROI in the long run, but it just takes an amount of time. Knowing that you're a startup where time matters and it costs you every dollar, would you write a unit test?
What are the pro and cons writing a unit test based on your personal experience besides the reasons that I talked about? Do you even care about writing unit test in your startup?
I'm asking here because I'm asking from business point of view, not technical point of view. If I ask at SO, the response that I get will be of course mostly from technical point of view.