Answer:
A large oasis in the desert. Come with cash and leave with none.
I wear a green jacket on the outside white jacket as a second layer and red jacket inside. I am pregnant with a lot of babies. (one word)
I mirror your actions.
I have a neck but no head arms but no hands. What am I?
I think you live beneath a roof that is upheld by me; I think you seldom walk abroad but my fair form you see; I close you in on every side you very dwelling pave and probably I'll go with you At last into the grave.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.