I think that if the OP write about it now - it was fixed. Of course it is possible that the OP lies, or uses some casino feature thinks that it is bug.
Anyway, if he tells us truth i can only applaud him - $8.500 per month are really good money. But the same time i`m sure that it is impossible to repeat it now, so i don`t cares about it.
There’s no way to verify this but one thing is for sure if this is true that he earns profit in bulk not in monthly basis since exploit on casino can be easily found it by the casino owner even back then since they can track who’s player consistently draining their funds.
If OP is really a successful hacker that abusing exploit then it’s possibly that he do this one time big time on different casino that offers same game with same security exploit because casino back then are just the same dice site.
Yes, i calculated it to understand the medium result per month. I`m sure that it was small profit at start and much more in the end. But again - it is out of our business - the OP got nice profit and i`m sure that there is no opportunity to repeat it now.
PS. It can become a problem to withdraw such sums fast. May be the OP was catch on withdrawal.