Answer:
I go up but never come down. What am I?
So cold damp and dark I am. To stay you would refrain yet those who occupy me do never complain.
The shorter I am, the bigger I am. What am I?
I am filled with garb the price is free. Just return what you don't need.
To cross the water I'm the way. For water I'm above I touch it not and truth to say I neither swim nor move.
The answer I give is yes, but what I mean is no. What was the question?