Answer:
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?
Never resting, never still. Moving silently from hill to hill. It does not walk, run or trot. All is cool where it is not. What is it?
I am brown and sticky
I can be simple or I can be complex. I can be found in this riddle or in everyday life. I can be shapes or even colors.
Kings and queens may cling to power and the jester's got his call. But as you may discover the common one outranks them all. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.