Latest / Matmonim: Daf Yomi by Rabbi David Lapin
Bava Metzia 15b-16a Opportunity Cost - מאי גזילנא מינך
Theft of an object can be rectified by returning the object. Theft of opportunity never can be rectified because it cannot be quantified.
Source Sheet
The skinny
The skinny isn't ready yet — notes appear once the transcript is processed.