Answer:
I make billions of dollars selling windows. Who am I?
What do you call a fish with no eye?
Only one color, but not one size, stuck at the bottom, yet easily flies. Present in sun, but not in rain, doing no harm, and feeling no pain. What am I?
By Moon or by Sun I shall be found. Yet I am undone if there's no light around.
I give light by night, but not by day. I am wicked but not evil in any way. Wax for the most but always wane; except when I'm out, I stay the same. What am I?
The answer I give is yes, but what I mean is no. What was the question?