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.
Although my cow is dead, I still beat her What a racket she makes.
Thirty white horses on a red hill, first they champ, then they stamp, then they stand still.
What liquid can contain the soul?
What can you catch but not throw?
What is 9 added to any number ending in 1