Answer:
What has a big mouth, yet never speaks?
What has three ways out and just one way in?
Both old people and owls are said to be possessing this trait
A man is pushing his car along the road when he comes to a hotel. He shouts, "I'm bankrupt!" Why?
I dig out tiny caves and store gold and silver in them. I also build bridges of silver and make crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs my help. Yet many people are afraid to let me help them.
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.