Answer:
People are hired to get rid of me. I'm often hiding under your bed. In time I'll always return you see. Bite me and you're surely dead.
Hard to catch, easy to hold. Can't be seen, unless it's cold
What comes once in a minute, twice in a moment, but never in a thousand years?
With pointed fangs it sits in wait. With piercing force it doles out fate, over bloodless victims proclaiming its might. Eternally joining in a single bite.
What runs around all day. Then lies under the bed. With its tongue hanging out?
If lightning strikes an orchestra who is the one most likely to get hit?