THE BEST OF IT: In sports betting, any bet where your expected value is positive.

Every bettor considers it essential if you expect to win in the longterm. For some it's a badge of courage; The Shrink once said, "I'd almost rather lose than not get 'The Best of It.' 

EXAMPLE: If you played Notre Dame on a Tuesday as +2 point underdog and the line closed at kickoff on Saturday with Notre Dame as -1 point favorite--you got 'The Best of It!'