Admit it: You’re not 100% sure what duty-free is. Well, it's time to find out! Here’s what you should buy duty-free at the airport, along with the rules to abide by. Ah, the mysterious allure ...

If you've ever flown internationally (or passed through an international terminal), you've likely seen the brightly-lit consumer paradise of a duty-free shop. But what is a duty-free shop?

If you’re a fan of Irish whisky, the Bushmills Black Bush, which is made of a blend of malt and grain whiskies aged in sherry casks, is a great pick, with its unique flavour profile that carries ...