I know the title caught your attention. Maybe not completely free but you can definitely keep your costs down with some of the methods used.
Need some cash. Submit your story and you can win 500 euros.
Want to hit the road and earn a living? You can, just have to get yourself a setup to do it. Read my previous NuNomad post from a few weeks back to see how it can be done.
WALKING from Germany to China: Travel Video
One guy tried to WALK from Germany to China. See what happens to him in a 5 minute, 19 second video.
Japan, one of my favorite places. Read this article with my account of my time in Toyko and you’ll be already for it.
Unfortunately, least expensive does not translate to ‘safest’. Notice the item to consult the travel advisories before you visit some of the countries listed.
As opposed to suffering, learn from those who are more experienced. The body readjusts after a few days, but people have more severe symptoms like headaches.
I highly recommend using Skype whether with your own laptop/netbook or in an Internet cafe on the road. If your phone is souped enough you can run Skype on your phone. The price is high but this is the phone I use. Be sure the phone is unlocked, meaning you can use it anywhere. That last sentence is for the Americans, most of the world already understands the concept of an unlocked phone.