It's not very useful advice, given that is spans from Elon Musk - who uses a top of the line business jet to commute from one part of the Bay area to another, very eco-conscious, and owns multiple mansions - to Warren Buffet who famously lives in the relatively modest house he purchased decades ago.
Mathematically we're living in different universes. Moves that are rational for someone who has a few billion dollars under management don't work for the rest of us, because we're unable to diversify risk to the same extent.
Along the same lines, however, our "hurdle rate" for a life impacting investment is substantially lower....
