I completely agree with you. It's a better time than ever in history to learn to do anything you need to.
What is HHO? Hydroponics?
Most farmers I know do everything. Electrical, mechanical, welding.
If you can do one you can learn them all.
I've never farmed, but I have done a little of everything trade-wise.
Will be digging and pouring new building foundation tomorrow.
It's great to hear that you're homeschooling your daughter because sending kids to school these days can be bad in so many ways.