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Betting without research means you are gambling blindly.
It is most important to do research before placing a bet on any game or sport, because the more you enter the gamble blindly, the more likely you are to lose. Because a blind person always enters based on guesswork, just like in betting, but when you research a match and determine the difference between the two teams, your chances of winning will immediately be higher.
Because only the lucky ones win, but if a gambler enters the gamble based on proper research and experience and courage, the chances of winning the bet are highest.