* Don't pack your passport in your rucksack keep it in your hand luggage with your tickets.
* Make a photocopy; it will save time if your passport is stolen.
* Book internal flights or transport before you go, as sometimes discounts are available.
* Book your hotels.
* Keep a separate purse of money for emergencies.
* Read up about your destinations before leaving, so you can enjoy yourself straight away on arrival.
* Buy a map if you are planning on driving, or a relevant map if you are planning on doing some serious bush walking.
* Pack as little and lightly as possible.
* Choose dark or neutral coloured clothing, so any dirt or stains acquired along the way won't be too apparent.
* Take an extra duffel bag it can be used as a day bag and to bring back a few souvenirs.
* In case you may want to send postcards, write down some addresses of friends and family in a small adress book.
* Arrange for diabetic/vegetarian/vegan meals for your flight with your travel agent.
* Purchase some water purification tablets if you are planning a stop over in a country with suspect water sources.
* Turn off your gas and (if winter) water, check and lock all windows and doors, make a copy of your eye prescription (if you break your glasses!) and any other vital health information, let your neighbors know you are away and leave them with a set of keys in case of emergency.
During Journey
* Try to be as alert as you can.
* Avoid making long distance calls from your hotel room; it's likely to attract a huge premium.
* Make sure any taxi you get into is legitimate to avoid any shady goings on.
* If hiring a car, carefully check it for dents, scratches, etc and insist that the rental company makes a written note to confirm.
* Check for hazardous currents / tides or dangerous marine life before swimming/surfing etc.
* Never let a stranger look after your bag they may steal it or put something in there.
* Find the suitable insurance policy that covers money, medical and activities.
Equipment
* Camping/sports towels are extremely small and lightweight, they don't smell and can be packed damp.
* Shaving oil rather than shaving cream saves valuable storage space and weight.
* A small first aid kit could be very useful for minor injuries.
* Swiss army style knives are a good idea for peeling fruit, cutting toenails, etc.
* A wide brimmed hat or cap can be very useful for preventing sunstroke on very hot days.
* High factor sun cream will help to minimize the risks of sunburn and skin cancer.
* Good quality sunglasses will make you look cool and help protect your eyes.
* Earplugs can be a real 'God send' when there is a loud snorer in your dorm!