Welcome to the forums, msxsnow! I hope you make the "right choice", and I am confident there will be electrons for everyone! Remember the car has a range of 500 km, and given HKs geography you might not need to charge at home, also depending on your habits, job etc.
Where I live, they are looking at installing something like 10 bays, then setting up a system of payment, either octopus, or you rent a key to activate it or - something along these lines. Maybe even a fixed monthly fee for using any of the spots, though I think that is not the best solution.
These spots would be for any EV with access to the car park, and there would be signs blocking the spots againstCE cars saying EVs only (as required, some could be ICE/EV shared spots, as I think so far I'm the only one with an EV on order). Visitors with EVs could use the spots too, though, and selecting the spots furthers from the exit will probably help to keep them "de-ICEd". We don't have private spots, as floating spots will give more capacity (it's a club type facility, and with functions, restaurants, fitness/sports and more). Obviously, they need to look for broad EV charging solutions and not Tesla or other brand specific chargers.
Remember when WiFi wasn't being offered at hotels, restaurants and other public places? Now it has become part of sales criteria, like does the hotel have a pool, gym, spa, bar, parking ... and wifi? Soon, they could add EV charging to the list of offered services. "Come dine/stay/shop here, we have EV charging in our parking lot".
The management where I live have to answer to the owner-group, and their policies, besides all the technical and legal obstacles, so there are all reasons it could fail. When HK government mandate or promote EV charging spots (which they have to if they are really serious about cleaner air in HK!), then it should all speed up!