Master blackjack with our 2025 Card Counting Guide. Learn the Hi-Lo strategy, understand blackjack card values, and play smarter at casinos online and offline.

Mike Aponte is a former MIT blackjack team leader and a major innovator in card-counting strategies.

In gambling circles across the country, this practice is called card counting. It's legal but frowned upon by pit bosses and casino floor managers. Still, it happens all the time, especially at ...