Good to the store and look at one of the shelf.
Close your eyes and grab a random product. Open your eyes for 1 second, don't think just use your intuition.
How expensive was that product? How high quality? Who was it for? What problem did it solve? Was it easy to understand?
Some of the best products you can just look at and in one second: you know exactly what the promise is.
Know that's a powerful tool to have.