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> "off-grid" villages that actually have a pretty good standard of living

Sure, if you consider 1920s era technology to be a reasonable standard of living. Or I suppose you could cheat and import a computer or two? Not sure how you're going to fabricate high performance solar panels on your own though.

I don't know about a single Wiki but casting metal, making blades, and various pigments (so paints and inks) should be readily doable at home and the information readily accessible. Some end products have significant barriers in terms of equipment and skill though, so pick carefully.

Making plastic products might be quite involved and require specialized equipment depending on your desired starting point and polymer. (At the other extreme, 3D printing objects from purchased filament is easy but seems like it defeats the described purpose.)

A number of basic pharmaceuticals (opiates, aspirin, a few others I don't remember off the top of my head) can be readily manufactured at home if you have a garden and don't mind committing multiple felony offenses in the process. Most chemical synthesis is quite involved though and pharmaceuticals in particular tend to consist of difficult to work with organic molecules.

Pharmaceuticals and plastics are both pushing into the realm of organic chemistry which isn't very accessible without significant time spent studying. Unfortunately chemistry outside of a company or research institution has also been more or less criminalized at this point across most of the world. The vast majority of basic reagents will be classed as precursors to either illegal drugs or explosives. (Yay freedom!)



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