Blackjack is the only game I'll play in a casino because, really, it's probably one of the only game where the odds are a bit more in your favor.
Anyway, I went with a friend once and he managed to pretty much piss of the entire table by splitting tens. Which is about as a huge of a no-no as you can get. If you have two tens you have 20 and have effectively won. If you split on them you're taking away either potential winning cards from your fellow players or bust cards for the dealer. But he split on tens. Twice. In a row. On the same hand. He got two tens, split them and they each got another 10 and he split again having four hands going at once. He ended up winning on all of them but in the long run had taken away a bust card from the dealer who had to draw on a 13, ended up getting 17 causing two players to lose. Had my friend played correctly the dealer would've drawn a 10-card, busted, and the whole table would have won.
Blackjack is fun (and easy) to play, and as I said it's probably one of the few games that operate in your favor and doesn't leave too much up to the random chance rolling dice or spinning wheels do, but there is still some strategy and a lot of etiquette to be aware of. If you do decide to play it visit the casino's gift shop and they will likely have a small credit-card sized "cheat card" giving you suggestions on when to hit/stand on your hand vs. what the dealer has. It should be okay for you to have this handy as you play at a table. But it's really a game where you have to remember your playing against the dealer and not the other players and to not do things that'll hurt them/piss them off.
