Volumes have been said on this matter, and the bickering and disharmony about where the "hot" slot machines are installed in a casino are still rampant – over sixty yrs after slot machine games were first added to the gaming floor in casinos.
The quintessential rule is that the better slot games were located just inside the main entry of the casino; so that folks passing by would be able to see actual jackpot winners … be stimulated to come unto the gambling floor and play. Our position is that this is definitely no longer true.
Nearly all of the major casinos today are gigantic complexes … you no longer can see inside from the sidewalk, so there’s no longer a reason to situate the ‘loose’ slot machines near to any entrances.
An additional traditional rule is that loose slot machine games are placed on the major aisles in the casinos, again so that more potential players 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!
Today, casinos are constantly changing their perspective about where to place the loose slot machine games.