Answer:
What is pronounced like one letter, written with three letters. And belongs to all animals?
There is an ancient invention. Still used in some parts of the world today. That allows people to see through walls.
Power enough to smash ships and crush roofs. Yet it still must fear the sun.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.
A man parks his car outside of a hotel and immediately realises he is bankrupt. How did it happen?
What can never be put in a saucepan?