I see the reliance on others a lot. I see guys around me having garages full of tools, much more than I have, yet they pay someone else to do every little thing. Time for an oil change, call and schedule an appointment with the dealer, request time off work so you can drop the car off, have the wife take time off work to pick him up and take him to work. Then call every couple hours to see if its done, have the wife leave work early to pick him and go to the dealer, its pretty much an all day event. Me, I take 10 minutes and change the oil, letting it drain while I rotate my tires and wash my windows.
Same with anything else, faucet drips, spend a day call three plumbers for quotes and scheduling a day off work for them to come do the work. I just swing by a hardware store on the way home from work and buy a new faucet and replace it before dinner.
People say their time is too valuable to do things themselves but it always seems to take longer to have someone do the work that it does to do it yourself.

I really can't see anyone living out of a pack for years either. You really need to be raised that way, to have those youth years being taught by someone who does live that way and gain experience with that person there watching over you. Even then your still not very likely to survive all that long and if you are on of the few that can then you become a legend like the few who have in the past.