What Am I Riddles

Question: I grow from trees and your home,
once I am grown I fall to my doom.

What am I?

Question: What can you smell but not see. And can be deadly, too.

Question: I give refuge to the blind and repeat everything they say.

What am I?

Question: I can easily impale meat, And also can withstand the heat of a charcoal burning fire.

Question: For now I must stay under the man who made me,
but when he dies I'll be as powerful as he.
They will watch and listen to what I say,
then some of their money to me they'll pay.

Who am I?