We are flying into Livingstone and trying to decide whether or not to get a Zambian visa in advance to avoid long lines and to avoid having to carry large amounts of cash for varoius visas. Any advice? Also is it worth the money to go over to Zimbabwe for the day? We'd have to get multiple entry visas for Zambia plus one for Zimbabwe. Anyone know how much the flights over the Falls cost?Thanks! We are going to be there around June 10 2013.