After perfecting your packing, the other downside of travelling with carry on luggage is in packing liquids in hand luggage. It is a real challenge to pack all the liquids you need into an approximate 20 cm x 20 cm clear plastic bag. The key to this is only take what you know you definitely need, everything else can be purchased at your destination. You will learn everything there is to know on how to pack liquids in hand luggage to make future travels more convenient.
If you don’t travel light then it will involve you playing a game of Tetris in your liquid bag possibly at the front of a queue of angry passengers when you can hear your flight being called for boarding. Stressful and unnecessary.
My handy guide comes from years of experience so you can breeze through security.