Hitting on hands totaling 11 or less is generally advised because there is minimal chance of a bust, while standing on hands totaling 17 or more is typically a safe play. When you have poker a23a strong hand and the dealer has a weak upcard, it is usually wise to double down. However, when splitting pairs, it also depends on the particular pair you have been dealt and the dealer's upcard. Players can make better decisions and increase their chances of winning at blackjack by comprehending these fundamental ideas and applying them as a guide during gameplay.