His rebate is cumulative with the casino according to the article, except that they allowed him to reset it when he started this streak. He effectively only has

His rebate is cumulative with the casino according to the article, except that they allowed him to reset it when he started this streak. He effectively only has one session per casino for rebate purposes. Taxes are always computed on net winnings annually. Filing as a pro can affect the rate and allow deductions for expenses, but even amateurs can deduct losing sessions against winners if they have documentation.