Answer:
I am owned by the poor, the rich do not need me. If you eat me, you will die! What am I?
What is black when you buy it, red when you use it, and gray when you throw it away?
Late afternoons I often bathe. I'll soak in water piping hot. My essence goes through. My see through clothes. Used up am I - I've gone to pot.
I plow and plow but never sow.
I am always coming but I never arrive. What am I?
It rows quickly with four oars but never comes out from under his own roof. What is it?