A coercive monetization model depends on the ability to “trick” a person into making a purchase with incomplete information, or by hiding that information such that while it is technically available, the brain of the consumer does not access that information. Hiding a purchase can be as simple as disguising the relationship between the action and the cost
The clue is the word “tricks” in the title. Bad, bad, bad.
Gamasutra: Ramin Shokrizade’s Blog – The Top F2P Monetization Tricks