Have you ever played blackjack? it is a complex game
Yes and no wonder it is the most widely played casino banking game in the world.
What are the odds of winning it?
Well the card game is usually between several players and a dealer, so the odds would depend on that.
Oh okay, does anyone play professionally
 In most other countries, the dealer is usually a professional and many people play it professionally as well.
That is cool, is card counting a strategy in blackjack?
Yes, the value of cards two through ten is their pip value so card counting is a great skill to have.