Most founders obsess over their product before they've even spoken to a customer. I've learned the hard way that your first idea is almost always wrong. The real skill is listening, pivoting, and solving a problem people actually have—not the one you assu... moreMost founders obsess over their product before they've even spoken to a customer. I've learned the hard way that your first idea is almost always wrong. The real skill is listening, pivoting, and solving a problem people actually have—not the one you assume. What's your biggest lesson from building something that didn't work out? less