Is it weird that they make so much money with barely an education?

I know a married Vietnamese couple who owns a nail salon. Here in the U. S., nail salons are pretty much synonymous with Vietnamese. They (husband and wife) immigrated to the U. S. just over a decade ago and their English is still far from fluent (poor grammar and so on). Yet, they must make so much money a year because the wife on Facebook is always posting her new Chanel bag, LV heels, Franke Muller watch, new $160,000 2022 Mercedes. They love flaunting their wealth, yes. All they have is a nail license, so it's surprising how they're making more money than those with college degrees.
Is it weird that they make so much money with barely an education?
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