Staying connected in Bulgaria is easy in general as the country has one of the best internet speeds and networks in Europe. And it's even easier when you're in Bansko working from one of the coworking locations. Wifi everywhere, even the town has free WiFi on the square!
When you're up on the mountain, in the big cities or in rural Bulgaria you might be out of luck regarding open wifi networks. Then a local SIM card with lots of GB comes in handy. Here's what expats are saying works best in the short term: