You should pack your perks according to your necessities. You should be selective about things you need and shouldn’t overpack.
You should pack necessary things you require when you are out travelling. It is because those things may not be available in the places you travel, and if they are available, might be costly.
Before you travel, it is highly suggested to do some research about the place. It knowledges you about some major things to be followed which you might not know and also gives you idea on which places to travel.
If you book early, you are more likely to find better accommodation as tourism places are often packed with tourists and visitors.