Answer:
who do you think you know but sometimes you don't
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.
What has thirteen hearts But no body or soul?
The root tops the trunk on this backward thing, that grows in the winter and dies in the spring.
I turn around once. What is out will not get in. I turn around again. What is in will not get out.
What language does a billboard speak?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?