"Is That Your Idea of Fair Business?"

"Wisher Takes All."
By William F. Temple (1914-89).
First appearance: Other Worlds, July 1950.
Reprinted in 100 Great Fantasy Short Short Stories (1984).
Short short short story (2 pages).
Online at SFFAudio (HERE) (PDF) and Archive.org (HERE).

"We're pretty rare, you know."

It's positively criminal how people will try to cheat a genie just out of the bottle . . .

Resources:

- William F. Temple was a well-known name in SFF circles in the thirties, forties, and fifties, even having one of his stories filmed; see Wikipedia (HERE), the SFE (HERE), and the ISFDb (HERE).

- As usual TV Tropes nails it concerning wish-granting; see (HERE) and (HERE),  but especially (HERE) and  (HERE).