So many great posts! Thanks to everyone for chiming in. For those who suggested other tours, thanks but I am really looking for a way to travel north and south along the east coast. I'd like to do it by human power and camp along the way. Some paid camping will probably be necessary but it would be nice to do it on just the cost of food so I could justify taking a year off work without really cutting into savings too much. Part of the attraction to human-powered travel and primitive camping are to get off the grid as much as possible, and by 'grid' I mean the economy.