Multi-choice problem: Continue writing the next sentence in this paragraph:

How to pack efficiently
Decide what you will realistically need for your trip.
Write each item out in a list to help you visualize the contents of your pack. Think about where you're going, how long you'll be gone, and what you need to maintain a comfortable quality of life while you're on your trip.

Available options:
[1]. Try to present a list as a sort of scrapbook, not a treasure chest. This way, you'll always be able to keep track of what you're taking with you, not having to dash off to the store to get new pants or tops..
[2]. Here's some basic information to get you started : A map of the area where you plan to go and a description of your route. At least a few months' notice might be okay, but you may need days' notice..
[3]. Use any checklist you've gathered or written up in pieces from previous trips. Also decide if other accommodations are available that fit your needs, even if they're small..
[4]. If you're not absolutely sure that you will need something, consider leaving it behind. Unless you're traveling somewhere especially remote, you'll be able to buy most non-essential or emergency items while you're on your trip..
[4].