Either you are travelling alone or you are going to the southern America from Australia, you should be ready to pack your things in a compact, easy and light way so that you don't waste a lot of time in managing things and getting rid of your belonging off and on.
This could be hectic if you are fond of buying things wherever you go, so, it would be better if you keep your luggage short and try not to get all things on board so that you may not have to worry about the things you have to carry with you.
Most of people traveling to the South Pole for Antarctica cruises during the Antarctica travel, the Galapagos Islands Tours and Galapagos Cruise during the Galapagos Tours while spending South America holidays have to pack numerous things which may help them to spend their vacation easily and in a safe manner without getting into serious health issues.
Pack your things separately:
Make sure to pack your vanity bag and the clothes separately making it sure that you will find things quickly when you need them.
It is always better to pack things in a separate compartment bag or small bags to keep things arranged and well placed in the suitcase or your trolley bag.
Keep things in place:
Try to sort out the best place for each of the kind of things you have
Remember the things that you have placed and make sure to place them at the right place after using them. This will help you manage things easily and will ensure you don't lose anything during the travel.