This is just good manners.
"I knew I was the only poor person at my tech startup because I forgot my charger once and absolutely nobody had one old enough to be compatible with my phone."
Taking good care of what you have is pure class. Always buying the latest is middle class behavior.
"I knew I was the only poor person at my tech startup because I never got over not having to punch a clock."
I would love to punch a clock instead of reporting time in Jira.