Does airport duty-free really save you money? - The Points Guy
How To Get The Best Value Out of Duty Free Shopping
What Should You Buy Duty-Free At An Airport?, AAA
12 Sneaky Ways to Save Money When You Beauty Shop - NewBeauty
Duty-free shopping: How to be sure you're getting a bargain
ZappTax Brussels
10 Ways In Which Airports Make You Shop At Duty-Free! - AirWhizz
Does airport duty-free really save you money? - CEO North America
Duty free shops: What to buy and what to avoid - CBS News