the.com/backpacking
Voluntarily carrying your house on your spine to feel rich about being broke.
means Traveling cheaply and self-sufficiently over long distances, with everything you need strapped to your back.
from From back plus pack — the literal sack hauled on one's back, the word strapping itself together in early 1900s America as gear got portable and wanderlust got affordable.
Weight rulePack should stay under 20% of bodyweight.
Trail vs worldMeans wilderness hiking or budget globe-trotting, depending on continent.
Ultralight cultDevotees saw toothbrushes in half to shave grams.