1. My operating costs are more than $9/month. I don't know where you got that presumed feature but it's wrong.
2. There's nothing to implement. You include a library and a few lines of code to start it and you're done.
3. How would not doing something that could potentially make me money, even if only a little bit, save me money? That makes zero sense.
You don't need to spend hundreds of dollars on AWS.
Anyway, I'd be very interested in hearing how a card game simulator requires more than 8gb of memory and a decent cpu.
I'm also genuinely curious what kind of card game has such intensive server requirements because I just don't see it. Maybe you have a legitimate need to contribute to global warming, it just seems unlikely to me.
By the way, users will instantly close your game if you cause their cpu fans to spin up to 100%
Good luck with your doomed project :)
You'd have a better argument if the TechCrunch homepage didn't use 50% of my CPU just to render all the ads.
Of course inefficient ads are also horrible.
Of course, if it was a viable strategy, wouldn't some malware authors write the malware to do this instead of ransoming files? Has that been tried? Is it a thing?
There are malwares that mine crypto currencies, usually while the machine is idle as to not alert the user that something is up with their machine. However these profits are also quite low since you're using mostly low end machines.
Crypto lockers are of course way more evil, but they function just as well on low quality hardware so I can understand why malware authors do it.