Answer:
I go up, let out a load and then go back down. What am I?
I don't live within a house, nor do I live without. Most will use me when they come in, and again when they go out. What am I?
Brown I am and much admired; many horses have I tried; tire a horse and worry a man; tell me this riddle if you can.
I sleep when you are awake, I am awake when you fall asleep. I can fly but no feathers to aid my flight. What am I?
I can be found in water but never wet
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.