Chapter 17 — Travel & Places

How do I travel with just a carry-on?

Pick a 40L bag, roll or pack-cube clothes, wear the bulkiest item on the plane, and plan to do laundry once a week. Aim for a capsule wardrobe — 5 tops, 2 bottoms, 1 layer, 1 pair of shoes plus what you wear. Toiletries: 100 ml or under, or buy on arrival.

Follow-up questions

What are airline carry-on size limits?

US majors: ~22 × 14 × 9 inches (56 × 36 × 23 cm). European budget airlines are stricter — Ryanair's free bag is 40 × 20 × 25 cm.

Is a backpack or roller better?

Backpack for cobblestones, stairs, and multi-modal travel. Roller for airport-hotel-airport itineraries and heavier loads.

Do I need packing cubes?

Yes — they don't save space, but they save time. Compression cubes actually shrink volume 20–30%.

Can I bring a battery pack?

In carry-on only. Under 100 Wh (~27,000 mAh) needs no approval; 100–160 Wh needs airline approval; over 160 Wh is banned.

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