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I understand completely.
I did mine in a car, but I got 400 dollars a month from the VA.
You will find out quickly what you are made of, the journey will made you hardy, and eventually you will find that you enjoy your own company more. If you are going to walk, be as economical as possible, every gram counts, keep at least a week worth of light weight, high energy, nutricious food on you. Get a camel back with some water, use fountains to fill up, use places like hotels to have free breakfasts with good variety. Always carry some kind of weapon you can put in work with if you have to. Everything else you mentioned will all be valuable skills to learn. Knowing other languages opens doors. Get survival guides and practice the skills that apply to you, the SAS survival guide worked well for me. Get simple tools like Ozarks, they are like a swiss army knife with a fork and spoon, remember, compact is the way to go. Get guides on herbs and foraging, there is a hidden world of food out there. And take a book along that will take time to consume. Carry a can of bear mace. Sleep in the woods Ninja camping style, go in at night, leave in the morning.
Beware of police, laws are changing and certain states will now arrest the homeless.
Go south for the winter and north for spring if you want to truly move about.
Good luck brother, Godspeed.
