Cardboard or newspaper, and a jug of Ripple is truly a liberating experience!
Knowing where the nearest heat grate or bridge is located ,doesn't hurt either.
Learning which resturants have the best dumpsters can be learned.
Soup kitchens and best lockups can also be learned.
I wonder if there is a disability payment for the technologically challenged hobo, that can't figure out how to use a laptop?
Oh the price we pay for freedom!