Answer:
I make billions of dollars selling windows. Who am I?
What is made of wood, but can't be sawed?
I have a little house in which I live all alone. My house has no doors or windows and if I want to go out I must break through the wall.
Six letters do my name compound; among the aged oft I'm found; The shepherd also by the brook hears me when Leaning on his crook; but in the middle me divide and take the half on either side each backward read a liquor tell ev'ry gay toper knows it well.
I help engines spin and pants stay up
Runs over fields and woods all day. Under the bed at night sits not alone, With long tongue hanging out, Resting at your feet until we go for a walk