Born N Raised in so cal. Most Mfg jobs have left, so with some exceptions, it's becoming a 2 class system, wealthy, not wealthy. The middle class is slowly diminishing. Many wealthy residents are from abroad , and Mission Bay in SD is arguably the best weather in the United States ( most sunny days from weather data).
Much of the " Wealth " is from those with disposable income, and or credit buying and selling real estate during rising prices, kind of like owning a money printing machine, as long as you don't get caught long when prices drop, ya not immune to recessions . Build or add upscale construction for $200 / sq. foot then sell for $600- $1,000 sq./ft, all because of " LOCATION "
We also have nearly 33 % of the total public assistance recipients in the United States with only 14% of the US population - that's not a typo.
The above is empirical data from over 5 decades in the tarnished golden
state.
PS , Near my brothers house , A new Ferrari dealer just opened, 2 story showroom with car elevator, and a Maserati dealer is under construction 1,000 feet down the blvd.
PPS Just ask RODI about another feature of San Diego - the Traffic