And yet there's been countless studies about the point at which money stops being about comfort and it's ~$140k/year. At about $200k a year in most of the country and I'll go so far as to say $500k/year in the valley, if you are struggling with money you are being extremely stupid with it. At $10 million you could instantly retire and lead an upper middle class lifestyle off the interest alone in 90% of the country.