Repair is the skills-and-spares layer that keeps what you already own working when you can’t simply buy another. In a long disruption, the difference between a working tool and a broken one is often a five-dollar part and twenty minutes of know-how you didn’t have.
It’s the most self-reliant category and one of the cheapest to start: a few good tools, the spares worth shelving for the things you depend on, and the handful of repairs worth learning before you need them. Skills weigh nothing and never expire.
How-ToThe how-to video, the wiring diagram, the part number — all one dead router away from gone. The fix is a shelf, not a search bar.
PrimerThe tool is the one-time purchase. The bar oil, chains, files, and fuel are the actual plan — and they run out on a schedule nobody counts.
PrimerThe tool, the skill, and the parts. Miss any one and your capability is zero — not reduced, zero. Here's how to stop stocking a third of a repair.
The book doesn't treat repair as its own chapter — it becomes a written plan through Category Plans in Chapter 14, using the same method as everything else.
