Be careful what you wish for.

There's an old joke you might've heard:

Three guys scale a mountain and stumble upon a magic lamp. They give it a rub, and whaddaya know, a genie pops out! The genie tells them they each get one wish, but here's the catch: they have to make the wish while leaping off the mountain.

The first guy runs, leaps, and yells, "A billion dollars!" and he lands in …