@SecureOwl that is rule of acquisition 41. Rule 40 is "Guacamole is extra"

The Rules of Acquisition were the sacred precepts upon which all Ferengi society was based. They were first written by Gint, the first Grand Nagus. In theory, "[e]very Ferengi business transaction is governed by [these rules] to ensure a fair and honest deal for all parties concerned." (DS9: "The Maquis, Part I") By the mid-22nd century there were 173 rules (ENT: "Acquisition"); by the 2370s there were 285. (DS9: "Rules of Acquisition", "Body Parts"; VOY: "False Profits"); and supposedly 289...
@SecureOwl hmmm
> extra salsa has extra cost
that's against people rights in Mexican constitution - don't search it up, trust me.