I'm visiting Vancouver in a couple of days. It's a city in a property price bubble fueled by offshore investment, drug money and AirBnB. I guess Rosario's prices could be stoked by one or more of those.
If you want to amuse yourself guessing which of Vancouver's buildings are run-down crack-shacks and which are listed by real estate agents at more than a million dollars you could do worse than play
https://www.crackshackormansion.com/ (There's a more up to date version at
https://www.crackshackormansion.com/part2.html but I haven't tried that yet)