“Comfortable” is far too nebulous of a metric to be useful in this discussion. How do you know they don’t have 3 jobs to afford an unnecessarily large/extravag

“Comfortable” is far too nebulous of a metric to be useful in this discussion. How do you know they don’t have 3 jobs to afford an unnecessarily large/extravagant/showoff vehicle/house/etc? How do you define unnecessary?