Answer:
When you buy me I am costly, but the only use I have is hanging only. What am I?
Tear off my skin. I won't cry, but you will. What am I?
A young man wants to have me but when he has me, he no longer wants me. What am I?
In my life I must bare, my bloodline I must share. What am I?
What is eaten but can also eat?
What did the piece of wood say when he saw the screwdriver and screws approaching?