OP, you're GROSSLY overthinking this. For everyone else, the question was about HOW to pack, not WHAT. Imagine if it took only five minutes to pack, but an hour to get up all your stuff. And if you could cut your packing time 20 %, you would only cut the overall process from 65 minutes to 64. Big deal. No one can begin to tell you what to pack, because no one else knows you, where you're going, how long, what you're doing, and most of all your personal habits.

The best way to pack - after you decide what to bring - is to just pack until its done. A shirt takes up exactly as much volume if it's rolled, flat, folded in thirds, fifths, or whatever, stored on top or in the middle. Same for books, cameras, all clothes. The only difference is maybe shoes, and if you can't figure out how to roll smaller things into the toes you probably shouldn't be traveling alone anyway. Pack any way you want, by size, age, color, or whatever. It's YOUR stuff and no one else will notice or care..