Sportsbook gambling isn’t completely focused on luck, it does give room for those who know the game or sports to predict just what’s to expect as possible outcomes of a game. You have historical data as per head to head, the grounds on which the game would be played, winning streak, what’s happening on the table, fixtures ahead, what league is the teams participating in and many more. All these statistics helps you to make better predictions and brings you closely to luck and wins.
Being lucky is only a fraction of what is needed to be a successful sports bettor. Extensive knowledge of the sports and leagues you bet on will take you much further. Especially if you are an insider and somehow involved in the sports you bet on. For instance, you are a basketball/volleyball/handball coach/physio in some league. Your position allows you to have a lot of insights into the quality of the teams and individual players you compete against. You can also gain access to match information before the bookies and before it becomes public knowledge. All that can give you an edge to win more than you lose.