Answer:
It doesn't live within a house, nor does it live without. Most will use it when they come in, and again when they go out.
What number has all letters in alphabetical order when spelled out?
I can sizzle like bacon, I am made with an egg. I have plenty of backbone, but lack a good leg. I peel layers like onions, but still remain whole. I can be long, like a flagpole, yet fit in a hole.
Turns us on our backs, and open up our stomachs. You will be the wisest of men though at start a lummox.
What has six faces, But does not wear makeup. It also has twenty-one eyes, But cannot see?
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.