Lake Keowee Real Estate News – Lake Keowee homes for sale – Lake Keowee News – Lake Keowee Waterfront property for sale – Lake Keowee Waterfront Real Estate for Rent – By Julie Schmit, USA TODAY – Cash buyers are snapping up homes in markets nationwide, betting that deals wont get much better. Last month, all-cash buyers accounted for 30% of existing home sales, up from 25% in May 2010, and 12% two years ago, says the National Association of Realtors….