Answer:
You throw me out when you use me and take me in when you are done.
Where do fish keep their money?
I am mother and father, but never give birth or nurse. I'm rarely still, but I never wander. What am I?
The faster you run, the harder it is to catch me. What am I?
I help engines spin and pants stay up.
What never gets any wetter no matter how hard it rains?