A gambling den always had odds stacked against its players.
The persistent existence of a house edge on all games meant that every player was mathematically likely to lose their money in every game that they played against the house.
But to be frank, playing at the casino was one of Calvin's favorite past times.
He was always someone that often like to reverse-engineer things and find out how exactly a certain object or a concept worked.
Back then, he was a fledgling player that had no idea how casinos operated.
He had to pay a huge price before he understood that in order to succeed in the casino, he must work on maximizing his winnings while cutting his losses as soon as possible.
Of course, he learned not to cut his winnings short while he had the momentum.
