The payer issues the form depending on the type of game you played, the amount of your winnings and other factors. You'll also get the form if the payer withholds taxes from what you won. You must report all your gambling winnings as income. This is true even if you don't receive a Form W-2G.

The odds for each game are stacked in favor of the casino. This means that, the more you play, the more the math works against you, and the better the chances are of you walking out of the casino with less money in your wallet than when you came in.

The negative number shows how much has to be risked to win aR$100 payout. Thus, if the money line for the team that you picked was -400, it means that if you placed a successfulR$400 bet, you would gainR$100 on payout.

The moneyline when placing a wager on a favorite tells you how much money you would be required to wager in order to return aR$100 profit on your bet. In the case of the Sharks (-230) is telling us that it would be necessary for you to betR$230 on San Jose if you desired to make aR$100 return from your wager.