Books have been said on this item, and the contention and face-offs about where the "hot" slots are located in a casino are still passionate – over sixty yrs after slot machine games were 1st added to the gaming floor in casinos.
The quintessential rule is that the very best one armed bandits were positioned just inside the main doorway of the casino; so that casino fanatics going by would be able to see real jackpot winners … be titillated to come inside and play. Our point of view is that this is no longer true.
Just about all of the large casinos these days are gigantic complexes and it is not possible to see inside from the sidewalk, so there is no longer a reason to place the ‘loose’ slots close to any entrances or exits.
Yet another traditional rule is that loose slot games are put on the major aisles in the casinos, again so that more persons could see winning jackpots and be influenced to play. Importantly however, we find that this also is no longer a universal rule.
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 slot machine games 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 philosophy about where to place the loose slot machine games.