Unfortunately, this is out of reach for most people due to costs and limited income.
The price of land, a house, solar etc are rapidly growing.
Add substantial land for farming, grazing, barn, storage. Some farming equipment + storage. Land plots that size alone are at 300-500k already.

Eve if i chose a countryside location, I'd be looking at a 1+ million € for a functional self-sufficient living. I won't save that much before I'm way too old and i'm at a high paid job.