Did you know that the edge in an average game of blackjack starts out at around 7.8%? This applies to blackjack in a brick and mortar casino and to online blackjack. Does not matter where you find your blackjack, it all starts out at 7.8%
So if blackjack starts out at 7.8% why do most places tell you it really starts at around 5%?
That one is simple to answer really and it is the most direct to take away the dealer