Earlier quoted context omitted.
It's only meaningful if you have enough disposable income to invest that it eventually (and I don't mean in 50 years) makes a dent against your living expenses. If you make $4k/mo and rent is $3k, it's pretty silly to state that it's a meaningful thing for someone to scrimp and invest $100/mo into a brokerage account. They definitely should do this, but it's not going to have any meaningful impact on their life for d…
Rent should not be more than 1/3 of your income so moving to an appropriate place will let that person save an extra 2k a month. It would take a year instead of a decade to have invested 24k.
Theres some exceptions, like rural doctors can make more more than city doctors due to high demand. But the less "physical" your job is, the rarer these exceptions become.
For software devs, you can move out of silicon valley. Maybe to Texas. And now those 1.5 million dollar homes are only 700,000 dollars. But your salary will reflect that.