Books have been set forth on this subject, and the bickering and feuds about where the "hot" slot machine games are placed in the casino are still raging – more than 60 years after slot machine games were 1st placed in the casinos.
The classic rule is that the better slot games were located just inside the main entryway of the casino; so that fun seekers passing by would see real jackpot winners and be keen enough to come inside … play. Our sneaking suspicion is that this is definitely no longer so.
The great majority of the mega casinos today are giant complexes and it is not possible to see inside from the sidewalk, so there is no longer a reason to place the ‘loose’ slot games close-by any entrances.
Another traditional rule is that loose slot machine games are located on the major aisles inside the casinos, again so that more folks could see winning jackpots and be inspired to play. Importantly though, we find that this also isn’t 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 the slots 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!
These days, casinos are constantly changing their philosophy about where to place the loose slot machines.