Or they will lose a decent amount, and then they will already understand that the game was dishonest) I would gladly tell the casino so that they can protect themselves for a reward.
The bugs and issues are part of every online business in particular where transactions are involved.
Hackers are no doubt one step ahead of the developer. When developer secure the site - the hacker look for the loopholes. I am sure casinos hire ethical hackers too incase the website it attacked.
to pretend Big issues ? better to conduct a "Bug Hunting Contest" that you will offer good amount in every legitimate Bugs users may find in your site so from this and on? you will upgrade each area that has bugs and will also make your site Bug free in the future.
we have seen several casinos nowadays that conduct such event and yes they are successful in their business running .