Answer:
I go from house to house a messenger small and tight. Whether it rains or snows I sleep outside at night.
I can't go left, I can't go right. I am forever stuck in a building over three stories high. What am I?
Who plays when he works and works when he plays?
When you buy me I am costly, but the only use I have is hanging only. What am I?
I am two-faced but bear only one. I have no legs but travel widely. Men spill much blood over me. Kings leave their imprint on me. I have greatest power when given away yet lust for me keeps me locked away.
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.