DOBring a small bottle of water, some light medicine, tissue (wet/dry), sun lotion (if you walkers), maps/compass (if you go to woods), dry clothe (depend on your destination) on your bag pack.
You may buy a small bag for bathing items; soap, shampoo, facial soap/cleaner, tooth paste, brush teeth, brush hair, etc (other ‘must’ items you need).
If you using prepaid, make sure you reload to full, or if you using postpaid, better check your provider, are they have an international roaming for you.
Bring all your small change/coins for your country destination and bring some money for every country nearby your destination.
Bring a note & pen for you write down local police centre, or maybe local cuisine addresses, phone number & maps.
Prepare your camera/handy cam on full bat, and left lots of memory. Or maybe you can have extra memory card or battery. And MUST bring the charger for electronic thingy. and prepared anything needed from the weathers (cold, snow, deep sea, etc) for your electronics..
Snap photos as much as you can, don’t forget to snap you with some cool background; local famous building, peoples, people who wear traditional clothes, etc.
Be extreme while you can, things that can make you embarrass, cause you are not staying there forever. Be brave and strong. If there’s bungee jump, then JUMP!! If there’s a track racing, ask people around rather you can go inside and make a lap.
Buy enough local trade mark for your friends & family at home. Can be homemade/traditional foods or snacks.
DON’TPlease don’t leave the house without telling your family or people at home. And always get in touch with them while you traveled (especially when you traveled alone).
Don’t leave your hotel room without keys, or maybe you can put “do not disturb” sign. Or if you stay at motel/cheaper hotel (like i do ;p), you can put a secret sign, a paper or other small things and put in between on door below, the effect, when someone enter your room, the paper will not stick on the door anymore. (too much detective comic book, but hey that’s works!).
If not really in urgent, don’t bring umbrella on your luggage. If you really cant help with sun and rain, you can bring a hat. But if you really need umbrella, you can buy at your visiting town.
For shoppaholics, please DO NOT buy TOO MUCH clothes, shoes, bags, books (books is very heavy). Those will effect your luggage weight on plane. And please~ don’t be stupid to wear some clothes at once when you aboard (yea, that’s happened, not just on film).