Answer:
What type of house weighs the least?
I contain six letters minus one and you got twelve.
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.
Better touch me before you proceed to second.
What asks but never answers?
Give it food and it will live, give it water and it will die.