Are your whales using their own wallet to play like scatter or just using your platform like storing their coins on Bathash? I would assume they'd experience the RAM/CPU shortage if they just keep betting and in order to go on, they'd have to buy ram and stake for Net and CPU.
Hello! Both, because there's no much difference!
We've developed a system that allows our players to not worry about CPU expenses EVEN when they're using their own wallets!
All they need to do, is you activate a "Free CPU" option available at website's menu:

How much HASH should I stake to earn just about $12 in EOS per day? I bought some the price had spike to $0.14 already. It's quite a price for big investors already.
At the moment of writing around, 40/45K Hash, as every 10K Hash are giving you 1.0892 EOS