Answer:
I am bought by the yard but worn by the foot
I stink in living but when dead smells good.
You throw me out when you use me and take me in when you are done. What am I?
The more you take away from it the larger it becomes. What is it?
Canine children.
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.