Daily Finance – There may be pretty lights, free-flowing cocktails and a theatrical buzz at the casino, but don’t go thinking that the treat for the senses is cheap. Slot players collectively walk out with as little as 90 percent of their money, on average. The odds are slightly better at the table games — including blackjack, poker and roulette — but there is no diversion where gamblers have the edge over the establishment. The house always wins. The odds are more favorable at a casino than state lotteries that only return as little as half of what they take…