I agree with the quote on the first paragraph: "it doesn’t make sense to leave your job before having a good indication that you’re working on a real business o

I agree with the quote on the first paragraph: "it doesn’t make sense to leave your job before having a good indication that you’re working on a real business opportunity." ... but the title omits the "before having a good indication" part !! I'm actually in that quandary right now (when to quit my day job and focus 100% on my startup). Right now is definitely not the time, since we don't have the "good indication" part, or even a finished MVP. But once we do have a half-decent MVP, we'll need to focus on customer validation, which means in our case getting to actual sales meetings, and that takes a lot of time. Also, if you're building a product (especially if it's innovative and can't easily show it before having an MVP), having a "login screen" alone won't cut it.