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.
A mile from end to end, yet as close to as a friend. A precious commodity, freely given. Seen on the dead and on the living. Found on the rich, poor, short and tall, but shared among children most of all.
As I walked along the path I saw something with four fingers and one thumb, but it was not flesh, fish, bone or fowl.
What flies without wings? What passes all things? What mends all sorrow? What brings the morrow?
I saw a strange creature. Long, hard, and straight, thrusting into a round, dark opening. Preparing to discharge its load of lives. Puffing and squealing noises accompanied it, then a final screech as it slowed and stopped.
A leathery snake, with a stinging bite. I'll stay coiled up, unless I must fight.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?