Answer:
I cannot be bought, cannot be sold, even if I'm sometimes made of gold. What am I?
I am a room that has a roof but no walls. What am I?
My first though water cures no thirst my next alone has soul and when he lives upon my first he then is called my whole.
I have roots that no one sees and I am taller than trees. Up, up I go, but never do I grow. What am I?
What begins with an E but only has one letter?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.