I Just Discovered a Travel Hack That Can Save You Time and Money on International Trips -- And It's Completely Free
Debalina Ghosh/Getty Images I've been traveling around the world for a year and a half, and one of my favorite money-saving travel hacks is using an eSIM. If you're unfamiliar with the concept of an eSIM, it's a digital SIM installed onto your phone that lets you access a mobile network without a physical SIM card. Using an eSIM for all my mobile data abroad means I don't have to worry about expensive roaming charges from my US mobile provider or buying a physical SIM for a local network every