Speed isn't the thing you should be trying to do. Visiting every country is a great target to have, but you want to appreciate, learn about the culture and explore it. read more
There’s a girl named Cassie who recently claims to have become the first “documented” woman to visit every country in the world, and I believe she did it in about two years. read more
There are costs you can never account for and you will have to pay such as tolls, bribes, shakedowns and just general who knows why or what for. It just happens when you travel in the developing world. If I do a month long overland trip in Africa, then I will generally carry between $2,000 and $3,000 at all times in all sorts of bills. read more