I have a 60 day visa exemption stamp, I have to go to the Myanmar border anyway to change Myanmar currency into baht. Would it be worth doing a border run once my 60 days have expired into Myanmar to get 30 days when I come back in or simply going to immigration in BKK to get the 30 extension? Also I cannot find any visa run agencies that go into Myanmar, only Laos and Cambodia. Does anyone know a visa run agency that goes into Myanmar?