Answer:
What is at the end of a rainbow?
Barren location, infertile and dry; my name means "to leave", it's not heard to see why
It can be grown in your yard or bought at the store and is given for love when less is more?
I make billions of dollars selling Windows. Who am I?
Cold head and feet; Round as a ball; Always turning around itself.
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.