Books have been set forth on this subject, and the bickering and feuds about where the "hot" video slots are positioned in the casino are still there – more than 60 years after slot machine games were first placed in gambling houses.
The quintessential rule is that the better slot machine games were installed just inside the main foyer of the casino; so that individuals passing by would see real jackpot winners and be stirred to come unto the gambling floor … play. Our inclination is that this is definitely no longer so.
Almost all of the mega casinos today are colossal complexes … now you can’t see inside from the sidewalk, so there’s no longer a reason to place the ‘loose’ slot machine games close to any doors.
Yet another traditional rule is that loose slot machines are installed on the major aisles inside the casinos, again so that more folks could see winning jackpots and be motivated to play. Importantly though, we find that this also is not a universal rule any more.
What casinos found over the years is that people walking down the busy aisles were frequently on the way to somewhere else. If they played one armed bandits at all, they would simply put in their loose change because they happened to be walking by. Win or lose, they would very often not stop to keep playing. And the very last thing a casino wants is for someone to win a jackpot by playing only a few coins and then not stay to put it all back in!
Nowadays, casinos are constantly changing their perspective about where to place the loose slot games.