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Yes—cigarettes can go in hand luggage; follow lighter, match, and vape rules, and respect duty-free limits at customs.

Yes, hemp-derived CBD oil (≤0.3% THC) can fly on U.S. domestic routes if it meets the 3-1-1 liquids rule; THC-rich oils are banned.

Yes — chargers and cables can go in your carry-on; power banks with lithium batteries must stay in the cabin, not in checked bags.

Yes, coffee powder is allowed in hand luggage; keep containers under 12 oz/350 ml for smoother screening and expect extra checks on some routes.

Yes—CO2 cartridges can fly only in narrow cases: in a self-inflating life vest (2 installed + 2 spares) or as empty cylinders; loose spares are refused.

Yes, CBD oil in luggage can be detected during screening via X-ray, manual inspection, and referrals to law enforcement; rules hinge on THC content and where

Yes, a charger can be put in checked luggage if it has no battery; power banks and spare lithium batteries must go in carry-on.

Yes, a computer can go in checked luggage, but carry-on is preferred; if you check it, switch it fully off and protect the battery.

Yes, CLEAR can lead you to TSA PreCheck if you’re PreCheck-eligible and the airport supports CLEAR-to-PreCheck access; CLEAR alone doesn’t grant PreCheck.

Yes, cologne can go in carry-on if each bottle is 3.4 oz/100 ml or less and fits in one quart-size liquids bag.