* Basic Electricity and Electronics - Power socket load limits, power/current calculations etc. (using P=VI and V=IR) and learning to use a DMM/USB power meter.

* Basic Electricity and Electronics - Power socket load limits, power/current calculations etc. (using P=VI and V=IR) and learning to use a DMM/USB power meter. Given the plethora of power adapters, cords, batteries and gadgets in use today, this has become indispensable. * Basic Cooking skills - Enables you to survive wherever you go. This is so fundamental i am not sure why more people don't learn how to cook basic stuff from their culture. * Basic Household "Handyman" work - Do as much of your Household repair/chores as possible by yourself and save money. I have seen people unable to even change a busted light switch or tighten a leaking kitchen drain pipe. * Basic Exercises - Whole body Stretching and Strengthening (using Body Weight ) exercises; you need no equipment whatsoever. In general, try to be self-reliant in everything with minimum dependency on others. There is so much information available today that you can learn/repair/fix almost anything (within limits of course).