Day 1 to roughly 3 months. These skills buy time for everything else. Without clean water, warmth, shelter, and calories, nothing downstream matters.
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- Water Purification — making water safe to drink
- Fire Making — starting and maintaining fire without modern tools
- Emergency Shelter — quick protection from the elements
- Foraging Edible Plants — identifying safe wild food sources
- First Aid — treating injuries and illness with limited supplies
- Navigation — finding your way without GPS
- Knots and Cordage — essential bindings and rope from natural fiber
- Food Preservation — drying, smoking, salting to store calories
- Hunting and Trapping — catching wild game for protein
- Fishing — hooks, lines, nets, and traps
- Weather Forecasting — reading clouds, wind, and pressure for storm prediction