1. Create an asset flip game with steam trading cards.
2. Generate steam keys and give to bots
3. Bots farm the cards.
4. Convert the cards to steam gems.
5. Buy legit cards with gems.
6. Sell legit cards on Steam Marketplace.
7. Buy sought-after game on Steam.
8. Sell game on the gray market for real money.
Let me know if I messed up any of those steps. It's been a few years.