Put simply, no, you cannot learn to win at Roulette every time. Roulette is a game of chance and one where the casino has a house edge. Researching roulette strategy and knowing the best action to take in a game of roulette can help, however, to make for a better game.
Any gambling winnings are subject to federal income tax. If you win more thanR$5,000 on a wager, and the payout is at least 300 times the amount of your bet, the IRS requires the payer to withhold 24% for income taxes. Any gambling losses can offset your gambling winning as long as you meet certain criteria.