Too Long; Didn't Read
The most crucial time of a startup happens at the idea stage, even before the founder has quit their day job. With a winning idea, everything gets so much easier, like getting customers, raising money, and hiring. The biggest mistake made by young startup founders is to imagine a beautiful product that will impact the world. The best way to confirm your idea is to speak with real users or potential customers! The second option is to stick to that and only that that is working until you have 100+ employees.