Answer:
What has a head, can't think, but drives?
How much does it cost to go to Hogwarts?
Why is everyone tired on the first of April?
What’s fluffy, cute, huggable and goes up and down?
I am tall when I'm young, I am short when I'm old. What am i?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?