Answer:
Neither bought nor sold but more valuable than gold. It is built but not by hand. What is it?
I am what remains when nothing is left.What am I?
Not born, but from a Mother's body drawn. I hang until half of me is gone. I sleep in a cave until I grow old. Then valued for my hardened gold.
Ripped from my mother's womb. Beaten and burned, I become a blood thirsty killer.
Thirty white horses on a red hill, First they champ, Then they stamp, Then they stand still.
I have two eyes in the front and a lot of eyes on my tail