Plan and prepare
A little advance research and a good checklist can go a long way:
1. Research what the weather will be like where you are going at that time of year.
2. Plan ahead with foot wear and break in any shoes you plan to wear ahead of time.
3. Plan to be flexible - once you embark on your trip things will happen, things will change, things will fall through. Plan to be flexible and to enjoy the journey no matter what! From: http://www.howdoesshe.com