Answer:
Poor people have it. Rich people need it. If you eat it you die. What is it?
Lovely and round, I shine with pale light, Grown in the darkness, a ladyβs delight.
When this is found in a road you are forced to make a decision.
What has no hands but might knock on your door, and if it does you better open up?
If someone calls you this, it might be time to consider hot wax
It's what light turns into in the night