A betting system refers to a fixed set of rules or tactics that a gambler uses to make bets. It is important to note that there are plenty of invariable synonyms for betting system including betting strategy, gambling system, wagering system, and gaming system. Betting strategy is the most common synonym for betting system because it emphasizes the importance of having a coherent plan in place, whereas gambling system is often considered to be a more formal term such as in casinos or other gaming establishments. Wagering system and gaming system are pretty straightforward, with the former focusing on the act of placing a bet and the latter emphasizing the bigger picture of gaming.