It is one of the more frustrating losses in the industry, right next to the classic ninth-inning bullpen collapse in baseball.
It doesn't matter if you are a novice bettor just learning the ropes or a professional bettor that's seen everything in their 25 years in the business, at one time or another (more like several times in your life time) you will have to throw away a ticket in which a team failed to cover the point spread by a half point.