Problem 1: what are problem are people willing to pay me to solve for them? Problem 2: can that problem be solved with a product? Problem 3: can that product

Problem 1: what are problem are people willing to pay me to solve for them? Problem 2: can that problem be solved with a product? Problem 3: can that product be built? Reading up on product management has helped me a lot here. Empowered (Marty Cagan) is good.