If there was a method, you can believe that land-based casinos would no longer exist. There is no magic method that can guarantee a win, there are only approaches that allow you to improve your way of playing:
unless you're solely looking to win big, try to avoid slot machines with big jackpots. These slot machines give out smaller wins less often (because they accumulate bets for longer periods for the big wins). It's better to win less but more frequently!
This tip fits perfectly with the first one. If you have a slot machine that pays out winnings fairly often, you will need to learn to recognize winning and losing streaks. When you are in a winning streak, it is recommended to increase your bets at that time, and conversely, in a losing streak, you will need to decrease your bets.
some casinos allow you to determine the "hotness" of a slot machine. It can be interesting to take note of it in order to use our second tip and try temporarily betting higher.
if you can get this information, know that each machine has its own redistribution rate, and therefore moving towards the most generous games is a good reflex.
Finally, slot machines are the most highlighted games by online casinos. Bonuses often come with wagering requirements, but they are almost always valid at 100% on slot machines. In concrete terms, a casino bonus is interesting for people who enjoy playing slot machines. It is very beneficial to have a good understanding of these bonuses in order to have a mathematical advantage, meaning that with the same deposited gaming capital, you will have a larger balance and be able to play for longer!