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.
My first keeps time, my second spends time, my whole tells time.
What weaves webs as they grow?
It is a path of cow juice spread across the sky but cannot be seen by the naked eye
What has wings, but can not fly. Is enclosed, but can outside also lie. Can open itself up, or close itself away. Is the place of kings and queens and doggerel of every means. What is it upon which I stand? Which can lead us to different lands.
What scientists might call your pooch.