Gamepod and CQB city are supposedly frequently used by LE for training, which I assume helps float some of the considerable costs of keeping such a facility running.
If I were thinking of doing the same, I'd be researching whether there is a similar need here.
If a huge CQB field were opening, I'd be hoping it was where the mach1 field is now - near the 400 and 407 so is at least somewhat accessible from people west of GTA. Going through the city to Scarberia is not an attractive option