Answer:
The buyer doesn’t want it, the producer doesn’t need it and the user doesn’t know their using it.
Which word contains all 26 letters?
You can have it, and be at it, But it never lasts forever.
I am neither a guest nor a trespasser in this place. I belong that belongs to me. Where is it?
What is yours but only used by others?
I touch the Earth, I touch the sky, but if I touch you, you’ll likely die. What am I?