They even let me refer to at the table. That got me to wondering: Can something the casino lets you use to make your decisions really help? Yes, basic strategy cards really help. In a six-deck game. With basic strategy, you can reduce the house edge on a common six-deck game in which blackjacks pay 3-2 to about six-tenths of a percent, or a few tenths more or less depending on house rules. If you have an imperfect grasp of basic strategy, missing some fine points, the house edge can rise to more than 1%. And if you play the guessing game, the house edge can soar to 2%, 3% or more. Not all states

...