Florence could be costliest storm ever to hit the U.S.

Hurricane Florence could cost the East Coast more than $170 billion and damage nearly 759,000 homes and businesses, according to analytics firm CoreLogic. That would make Florence the costliest storm ever to hit the U.S. in terms of property loss.Currently, a Category 4 hurricane packing 140 mile-per-hour winds, Florence is due to make landfall somewhere in the Carolinas late Friday or Saturday. The initial damage is likely due come from the high winds and storm surge–high tides carried by