One of the hardest things for newcomers to customer development and product management to get right is the questions they ask in their interviews. Done well, you can learn priceless insights that help you prioritize and build the right things, while descoping things that turn out not to matter. Done poorly, you fail to get sufficient signal across interviews, and waste you and your customer's time. Fortunately, I'm here to help you today. I've taught dozens of product managers and founders th...