Travelers used to find themselves at a loss for cheap mobile data when traveling outside of their home country or region, and often wound up paying dearly for it. You now have an enormous range of options, but it’s always better to make plans before you leave. I remember going to the United Kingdom in 2017, my first trip to Europe since 2000, and being armed with too little practical information. I knew that I should be able to drop into a Tesco or other store and find a cheap SIM plan that...
