Earlier quoted context omitted.
I live in a metropolitan area and can walk to many stores within a 30 minute radius. (First supermarket is less than 5 minutes away). But there is the added complication of weight. I can’t buy food for a week without driving there. Nor can I go and buy a TV by just walking to the hardware store.
Personally owned folding shopping carts exist.
I'd grab one of those except for the fact that I don't have a sidewalk connecting me to the grocery store. Totes end up working better for me as a result.