Most times, gambling is game of luck although some. Require you to think through your winning team if we are even talking about sports there's still a higher percentage of luck , although most times prediction are always right which can accept that sport is more flexible than game based ...
Out of all these, people might still find a way of believing a strategy gaming which is mostly interm of fund management well I wouldn't call most of this a strategy rather I will take them as a normal procedure which you ought to have follow right from the beginning of gambling journey
In my opinion, this game is a game of chance, without exception, all gambling is the same, in my opinion, winning is based on luck, although there is gambling that is based on skill, but in the end it still leads to luck. Maybe it's different from sports betting but in my opinion it's still related to luck because predicting uncertain things is the same as depending on luck.
gambling requires skill to play it, maybe you can use a strategy to win, but in my opinion the strategy used is not guaranteed to win, even if they get the strategy from gamblers who are experts in predicting. I myself gamble on slots, but I know that gambling is a game of chance, I don't use any strategy I just set certain limits so that I can control myself well.