Answer:
So cold, damp and dark this place. To stay you would refrain, yet those who occupy this place do never complain.
I never was but always will be. No one ever saw me but everyone knows I exist. I give people the motivation to better themselves every day. What am I?
A house full, a yard full, a chimney full, no one can get a spoonful.
A mighty weapon in the war against winged household pests.
What can be underwater, under fire, on fire and taking water all at the same time?
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.