Answer:
What goes up and down stairs without moving?
I am owned by every man though my length differs. Their wives uses me after getting married.
I am a king who's good at measuring stuff.
What has many keys but can't open a single lock?
I am free the first time and second time but the third time is going to cost you money.
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.