Answer:
What did the tourist say to a vampire?
What is bigger than God, more evil than the Devil, poor people have this, rich people needs this, and if you eat this, you’ll die! What am I?
What's the difference between here and there?
What happens to an egg every time you look at it?
What did Mrs. Claus say to Santa when she looked up in the sky?
Of these things - I have two. One for me - and one for you. And when you ask about the price, I simply smile and nod twice.