Professionals can deduct their losses gambling losses tax purposes they will file Schedule C or the state equivalent. When you win your wager, you have gambling income, no matter if the bet is gqmbling the United States, the United Kingdom, or any other country. So you ask, why not declare myself a "professional" gambler.online onlineslots bookiesonline casinomobile THE USE CLASSES ORDER CASINOS AND THE GAMBLING BILL Finally, gambling losses can, in certain circumstances, trigger the dreaded Alternative Minimum Tax (AMT). The professional gambler is in the only profession where losses are not allowed (for tax purposes). His losses may not exceed his winnings for the purposes of tax write-offs. Let’s say that Joe Q. Gambler has declared himself to be a professional gambler for tax purposes. He gambles full time, in good faith, and with the motive of making a profit. If you are a gambler and often earn through this, then the following tips can prove very vital for you to fill the tax returns. Losses on tax return: There is a Schedule A that you can use to deduct your gambling losses. For this purpose you have you are required to mention your winnings an losses.