Soldering
In order to do any sort of repair, rewiring, or build permanant items soldering is super-useful.
What you need, as in if you don't have these, don't start a project requiring soldering:
- Temperature controlled soldering iron
- Soldering iron stand
- Soldering iron sponge
- LEAD based solder
- Solder wick
- Solder pump
- Solder Flux
- Fume extractor
- Flame-proof workspace
Optional:
- Magnifying lamp
- Heat shrink tubing
- Temperature isolating clips
- Temperature isolating gel