Pop quiz for owners. Your leasing office waives an admin fee to close a deal. Where does that show up on your financial statement? Nowhere. A fee that was never charged leaves no record. Now add every pet with no pet rent, every mountain view priced like the dumpster unit, and every “courtesy credit” that quietly turned into a subscription. I call these dark concessions. I named 11 of them. If you build next year’s budget from this year’s actuals, they’re already in it. Here is how to stop it!