Answer:
I go up and down at the same time. Up towards to sky and down towards the ground
I am the tool for inspiring many. Buy me in the store for not much more than a penny. Don't overuse me, or my usefulness will go. What am I?
You find me behind the stars; or in a sixth seventh or third. It takes something round a computer and me to make pie. I am bigger than anything you can think of.
I can wave my hands at you but I never say goodbye. You are always cool when with me even more so when I am high!
I plow and plow but never sow.
Runs over fields and woods all day. Under the bed at night sits not alone, With long tongue hanging out, Resting at your feet until we go for a walk