Those who want to win the progressive jackpot should play as many lines as they can afford. This will maximize the amount of time you spend on slot machines, and offer you more chances to win the jackpot. Assuming you're just looking to have some fun, it's best to keep the number of paylines under 5.

Paylines. A payline is a lineup of specific symbols on which a payout will be awarded. Today's slots feature many symbols and paylines. Paylines can line up in horizontal, vertical, diagonal or even zigzag patterns for a win. Plus, you can bet on as many paylines as you want.

The truth is that there is no trick to slot machines. They provide random results based on set mechanics and it all comes down to luck. With that being said, not all games are the same, so picking the right options is key, and you can still change the size of the bet throughout the session for better results.

When playing blackjack, you want to beat the dealer's hand. The dealer is the only person you need to beat, so while other bettors can join you, they are all competing to beat him or her. Blackjack has the best odds of winning in any game, with a 49% chance of winning.