Answer:
What do people spend a lot of money on every year but never want to use it?
What has no hands but might knock on your door, and if it does you better open up?
What breaks in the water but never on land?
The more you have of me, the less you see. Who am I?
They keep secrets locked away. And you pass through them each day. For each one there is a key, They respond to sesame.
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.