In fact, a gambler cannot determine and ensure that he really can have a multiplier opportunity like that found in slot games.
However, with the strategy used by gamblers, it can at least increase the possibility of generating multiplication with quite a lot of multiples and we get it successfully.
But all of that is only the second factor because as you said that there is still the luck factor that is expected and in every game or bet you can really win because of the main factor, namely luck.
You can quit with decent winning when luck permits, though what you said is true, there's also strategy aside from luck, things that you already familiarize yourself from your past sessions, strategy that being developed coming from your experienced that adds up to how you base your bets.
Both sports and casino base game there's strategy that each gambler used to find some edge when executing what they've thing that will bring the win that they are aiming.