Handling a +EV bugged machine?

I recently discovered a bugged machine in the wild (albeit requiring such a specific set of conditions that may make it literally the last remaining bank in the world susceptible to this) that allows you to make bets at absolutely no (immediate financial) risk: A rough estimate suggests it can be exploited for a maximum of about 750k/day... assuming you don't get backroomed and kneecapped after an hour, since it requires a player's card and taking it to extremes would definitely set off red flags.

Making this extra fun is that this machine is the cornerstone of another existing play of mine, that I'd really rather not get shut down, seeing as every other installation I know of has been removed.

So to the world at large: How would you deal with it?