This method is using martingale.
There will still be instances where the results don't go to your favour.
thats right, martingale the only system or method that we can use on any gambling,,also the easiest to use..
martingale will give you good profit too if we used it in shortrun..in long run it will give some bad streaks too..
i guess martingale not work use in sportbook. u can strike win or strike lose. bet sportbook without good prediction its same like killing ur self.