I don't understand why people who gamble on sports go to the bookies. You can open up an account on your credit card and use the off shore gambling services on the internet.
Are the winnings taxable using an off shore account? Will they send you a 1099 on gambling profits?
Are the winnings taxable using an off shore account? Yup.
Will they send you a 1099 on gambling profits?
Probably not. Doesn't mean that any winnings aren't taxable.