Answer:
I cannot be bought cannot be sold even if Iām sometimes made of gold.
A large oasis in the desert. Come with cash and leave with none. What am I?
When I am alive, people sing. When I am dead, people clap hands. What am I?
I am in the past, never in the future. I don't exist, but have existed. I saw what you saw, and this is what I will ever see. What am I?
It flies around all day but never goes anywhere? What is it?
I'm a god. I'm a planet. I measure heat.