This is where having hard data would help. Do the poor actually work multiple jobs? Do they actually have longer commutes? On average. And to be more specific,

This is where having hard data would help. Do the poor actually work multiple jobs? Do they actually have longer commutes? On average. And to be more specific, we can compare people who make 50k in bay area (poor) to people who make 200k (e.g. Silicon Volley SWEs frequently seen on HN).