Turns out, earning half a million dollars every year makes it easy to be a millionaire after a few years.
Your flip comment seems to belie the fact that he's only earned at least a half a million dollars for one year. Most of his years he earned substantially less than that. The majority of his NW comes from investment and savings, not income. The point of the article is that cutting expenses, saving, investing wisely, and aggressively pursuing pay raises can yield a few million well before retirement age. These sort of…
I would say $475k is close enough, in all honesty.
> The majority of his NW comes from investment and savings, not income.
Sum of (earnings - spent) over the career is $2,611,000. Net worth by the end is $2,400,000. In order for investment returns to be above savings on income, taxes would have to be 42.3% of lifetime earnings, which would be a bit surprising.