Answer:
I don't live within a house nor do I live without. Most will use me when they come in and again when they go out.
Use me if you really want to see inside someone
A young man wants to have me but when he has me, he no longer wants me. What am I?
You bind me and I walk. You loosen me and I stop. What am I?
Why did the computer keep sneezing?
A doctor might remove one from the neck of a Dracula victim.