Volumes have been stated on this topic, and the contention and arguments about where the "hot" slot games are positioned in the casino are still taking place – over 60 years after the slot machines were first placed in gambling houses.
The traditional rule is that the superior one armed bandits were installed just inside the entry of the casino; so that potential players walking by would be able to see real jackpot winners and be smitten to come unto the gaming floor … play. Our slant is that this is definitely no longer so.
Just about all of the large casinos today are herculean complexes and you no longer can see inside from the sidewalk, so there’s no longer a reason to put the ‘loose’ slots close-by any entrances or exits.
Yet another traditional rule is that loose slot machines are installed on the major aisles in the casinos, again so that more people could see winning jackpots and be encouraged to play. Importantly however, 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 slot 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 machines.