How can I avoid unexpected roaming charges in Estonia with WorldESIM, especially if I have a UK or US SIM?

Navigating roaming fees in Estonia with a traditional SIM can be complex. If you're traveling from the UK post-Brexit, many carriers like O2, Vodafone, and Three have reintroduced daily roaming charges. Similarly, US carriers often levy significant per-MB data rates. WorldESIM offers a straightforward solution: a single, prepaid eSIM plan for Estonia, or a regional plan covering the Baltics or broader Europe, ensuring transparent costs without the surprise of daily fees or exorbitant pay-as-you-go rates. It's a smart way to stay connected without financial detours.