Answer:
I am what remains when nothing is left.What am I?
It's been around for millions of years, but is never more than a month old. What is it?
What surrounds the world, yet dwells within a thimble?
I have legs but walk not, a strong back but work not. Two good arms but reach not. A seat but sit and tarry not.
An open ended barrel, it is shaped like a hive. It is filled with the flesh, and the flesh is alive!
I am free the first time and second time but the third time is going to cost you money.