“Is that Picasso?”
It is reported that a tourist approached Picasso at a Paris cafe to ask him to sketch her. Moments later Picasso handed her a drawing saying: “That will be 5,000 francs.” “It only took you 10 minutes.”, she said. "No, Picasso said, “It took me a lifetime."
Your knowledge and experience communicate your value.
Value your knowledge. Be wise with your time and where you invest it.