2. Don't go during the winter when the weather ranges from 20 to -20 degrees
3. Budget VERY well.
4. Bring a coin purse cause coins SUCK
5. Learn to say 'Excuse me' and 'Cheers' in every language of countries you will visit
6. Eat carbs.
7. Take a break, don't run yourself ragged.
8. Take advantage of Free.
9. Make friends so in future travels you have a free place to stay!
10. Go with someone you love more than how tired you will be