Blackjack Terms: Double, Double Down
What happens when you "Double Down" in Blackjack? When you double down you will receive one more card and only one more card. When you double you will be doubling your wager as well.
How doubling down works
Your initial cards and wager

If you double down, you will receive one card and your wager will be doubled

Your Cards

Dealer's Cards

If you beat the dealer you will be paid out 2x your original wager,
if you tie your hand will be a push and if you
lose you will lose 2x your wagers.
You win! You will be paid
out your original wager + the double bet. For example: $5
(wager) + $5 (double bet) = $10 winnings

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