learn to grow food, fix stuff, create stuff from junk; learn how to catch small animals....................
there will be no economic recovery; prepare yourself accordingly. all jokes aside.
I was a general contractor (plumbing, carpentry, drywall, electrical, flooring, that kind of stuff) for the longest time. Works slowed down to much to keep going with that though, so I'm looking for something a little more stable.
As far as the DD prepping, I have a B.O.B that I'm building. It's a slow process of adding things I need over time. Hunting I'd prefer a bow as opposed to rifle. Silent, reusable ammo, and you can make arrows easy enough as opposed to bullets.
Something that everyone should know is emergency first-aid, and how to find and identify herbal medicines as well as edible plants. Edible animals is easy enough. Pretty much everything but toads are edible. Catching them might be a problem, but digging for worms in the dirt provides a quick snack and fish bait for later if the need occurs.
Rounds and a good hunting knife one that won't rust and will stay sharp a case or Winchester are good kinfes
Go with the Kabar Becker series. It's 1095 carbon steel, so it will rust, but the knives come coated to help fight rust. If rust is a true fear (which would mean you leave in a swamp pretty much) then you'd want a stainless steel piece. In that case go with anything that's AUS 8 or AUS 10... or if you can spend a couple of hundred you can't go wrong with a nice S30V steel blade.
And don't forget the sharpening stones. If it's not sharp it's not useful.