It is not easy to be an expert :)
To understand why so, watch this video:
It is not rare when customer does not understand what he is asking about. Indeed I remember many stories like this in my life. And this funny comedy helped me to understand my business better. For good business I need better to be a good psychologist and negotiator rather then “professional”. Company director and manager understands it.. thats why they are director and manager 🙂
Everything in this life has its reasons!