Poor people have it. Rich people need it. If you eat it you die. What is it?

Answer: Nothing.

More Classic Riddles with answers

More Classic Riddles

Pregnant every time you see her, yet she never will give birth. What is it?
Pronounced as one letter, And written with three, Two letters there are, And two only in me. I'm double, I'm single, I'm black, blue, and gray, I'm read from both ends, And the same either way. What am I?
Railroad Crossing, look out for the cars. Can you spell that, without any R's?
Re-arrange the letters, O O U S W T D N E J R, to spell just one word. What is it?
Read my riddle, I pray. What God never sees, what the king seldom sees, and what we see every day. What is it?
Ripped from my mother's womb, Beaten and burned, I become a blood-thirsty slayer. What am I?
Rock and roll, rock and roll. What rocks but does not roll?
Round as an apple, Deep as a cup, All the King's horses Can't pull it up. What is it?
Runs over fields and woods all day Under the bed at night sits not alone, With long tongue hanging out, Awaiting for a bone. What am I?
Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?
Some will use me, while others will not, some have remembered, while others have forgot. For profit or gain, I'm used expertly, I can't be picked off the ground or tossed into the sea. Only gained from patience and time, can you unravel my rhyme? What am I?
Sometimes I move fast, Sometimes I move slow; But my speed is truly constant, And nowhere I go. What am I?