It’s totally doable. Growing your own fruits and veggies is out of the question. It’s stupid -the only ones that make sense are herbs and only because when fresh they are better.
The difference is that you need $x00 to invest into the washing machine to then benefit fromt over the next decade+
You don't happen to have link do you? I couldn't find any obvious hits on a search engine.
It is both back-breaking and time-intensive especially if you are trying to get clean laundry not just "smells of detergent" laundry. And especially if there's someone who does manual labour in the household - getting heavy stains out effectively doubles your workload. There are many people who cannot just "try not to dirty" their clothes.
I am not trying to downplay your experience. But student poverty and poverty in the adult world without all the cushioning of a campus are very different kettles of fish.
https://en.wikipedia.org/wiki/Amish
There is a reason
See also Ted talk about best invention ever by factfulness guy