1000.00 per month on the AT is a pretty good measure. Resuppling at post offices can also greatly reduce this number, but most hikers do end up dishing out money for comforts like hotels and hot meals. Reduce your amount of zeros and stay at the shelters and you won't come close to this number.
Nothing
Blood sweat and tears
Depends how much time you plan on hiking. One day, one month?
Thanks! Your answer is awaiting moderation.