If you’re lucky enough to be a winner at gambling or the lottery, congratulations! After you celebrate, be ready to deal with the tax consequences of your good fortune. So, what are the tax implications of gambling winnings? TAX IMPLICATIONS OF GAMBLING WINNINGS: WINNING AT GAMBLING Whether you win at the casino, a bingo hall, or elsewhere, you must report 100% of your winnings as taxable income. They’re reported on the “Other income” line on Schedule 1 of your 1040 tax return. To measure your winnings on a particular wager, use the net gain. For example, if a $30 bet at the race track turns into a $110 win, you’ve won $80, not $110. You must separately keep track of losses. They’re deductible, but only as itemized deductions....