Do Not stack (.) Nothing on Top (.)

The lawyer from The Simpsons would approve.

Works on contingency (?) No {,) money down (!)

Take it like a man, You should be able to handle double negation.

why can't you stack your top?

Thankfully there's air on top and probably a whole shitload (metric) of neutrinos.

Blame English for being weird about it. Some languages require that sort of thing.