Answer:
If a man carried my burden, he would break his back. I am not rich, but leave silver in my track.
They're up near the sky, on something very tall. Sometimes they die, only then do they fall.
The strangest creature you'll ever find has two eyes in front and a hundred behind.
My first half is normally made of stone, my second is crazy, and I taste sweet when complete.
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.
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.