Answer:
I run up and down the stairs without moving. What am I?
I suck.
What is made of wood, but can't be sawed?
I can generate fear and some say I come out of your ears. I am as quiet as a mouse but not welcomed in the house. What am I?
I roam through the lands hoping to rescue my love. I search high and low and will stomp on you if you get in my way!
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.