Which is more profitable – an MMO with a monthly subscription or a free-to-play game?

If they are bought, I doubt it's in the CIS countries.

Well, I haven't seen anyone selling "fluff for 1 million," and I doubt anyone has it. But in reality, you can get them by donating a corresponding amount of money. This is like a response to your statement that there's nothing left to buy. But other items (the same example with gear for reputation) are quite common.