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Yes, you can carry ointment on a plane in your carry-on bag, but it must follow the TSA 3-1-1 rule for gels and creams.

Yes, most airlines permit cardboard boxes as checked luggage if they meet standard size (62 linear inches) and weight (50 lbs) limits.

Yes, the TSA permits nicotine pouches in both carry-on and checked luggage since they are dry products not subject to liquid or battery restrictions.

No, most airlines open online check-in exactly 24 hours before departure, not 8.

Yes, you can legally carry more than $10,000 on a plane, but if entering or leaving the U.S.

Yes, you can check in 5 hours before your flight, but only online — airport counters and baggage drop-off typically open 2-4 hours before departure.

Yes, you can carry moisturizer in hand luggage, provided the container holds 3.4 ounces (100 milliliters) or less and fits inside a single.

You can check an IKEA bag, but travelers find they work best for soft items on shorter flights.

Yes, mini bottles of alcohol (50 ml/1.7 oz) are allowed in carry-on bags as long as they fit comfortably in a single quart-sized clear plastic bag.

Formula, breast milk, and toddler drinks over 3.4 ounces are allowed in carry-on bags and are exempt from the standard 3-1-1 liquids rule.