Oh yes, it will be hard.
But when you think about it: not nearly as hard as working 40+ hours a week to make someone else wealthy.
This is a life long dream of mine as well, best of luck to you and yours.
Another handy-dandy reference is the book called "Firefox Manual". It's filled with ALL SORTS of tidbits about insects, growing food, building structures, it's incredible to read even if you're on a couch in a condo.