How to live on $432 a month in America

>Though I and my wife do not presently live in Massena, we live nearby, and we’re doing exactly this — we do not have an automobile, nor do we want one. We use the rural county transit bus, which we have found to be extremely cheap and quite reliable; and it has certainly saved us thousands and thousands of dollars by liberating us from the onerous expense of keeping a car.

This part has me screaming shenanigans. Unless you basically don't leave the house, you need a car outside of like 8 American cities. More believable would be a pair of used bikes.

That’s obviously not true, if you change what you “have” to go to.

There are thousands of American towns that are about 10k population - large enough to have a Walmart and other stores, small enough to walk across in an hour or so.

Once it gets cold you won't be walking much anywhere. I guess grocery delivery from Walmart can mitigate this, but that fundamentally changes the situation.

Why not? You can walk plenty in the cold with the right equipment. I walked 2+ km a day at the south pole ...