Answer:
What kind of coat can only be put on when wet?
I cannot be bought, cannot be sold, even if I'm sometimes made of gold. What am I?
When it comes to me you go on red and stop on green.
I am beautiful up in the sky. I am magical yet I cannot fly. To people I bring luck to some people riches. The boy at my end does whatever he wishes
I belong to you but others use me more often than you do
I flow from the Homerβs mouth when he sees doughnuts.