Volumes have been said on this issue, and the conflict and squabbling about where the "hot" video slots are located in the casino are still rampant – 60 years after slot machine games were 1st placed in casinos.
The standard rule is that the best slot machines were installed just inside the entry of the casino; so that people passing by would see real jackpot winners … be attracted to come unto the gambling floor and play. Our disposition is that this is not so anymore.
Most of the large casinos nowadays are enormous complexes and now you can’t see inside from the sidewalk, so there is no longer a reason to place the ‘loose’ slot machines near to any of the doors.
Yet another standard rule is that loose slot machine games are located on the major aisles inside the casinos, again so that more fun seekers could see winning jackpots and be encouraged to play. However, 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!
Today, casinos are constantly changing their perspective about where to place the loose slot machines.