The document provides 6 must-know travel tips: 1) Always pack a towel as you never know when you'll need one. 2) Buy a small backpack or suitcase to force yourself to pack light. 3) Pack lightly and only take half the clothes you think you'll need. 4) Take extra socks as you'll likely lose some. 5) Bring an extra bank and credit card as a backup in case one is lost or stolen. 6) Use no-fee bank cards to avoid paying fees when traveling abroad.