Answer:
When you buy me I am costly, but the only use I have is hanging only. What am I?
What can you hold in your right hand but not in your left hand?
I am so delicious that I require a house to contain me.
Though it be cold, I wear no clothes. The frost and snow I never fear. I value neither shoes nor hose and yet I wander far and near. What am I?
What is black when you buy it red when you use it and gray when you throw it away?
What language does a billboard speak?