Answer:
Poor people have it. Rich people need it. If you eat it you die. What is it?
cats and deflation tires make this noise.
Sometimes I am white, sometimes I am dark. Most people love me. What am I?
What has 13 hearts but no other organs?
I am not alive but I can die. What am I?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.