Cash sales of single-family homes and condominiums accounted for 64.5% of all transactions in Sarasota County in 2013. That figure was up from 48.3% a year earlier. In November, Florida actually led the nation in cash sales of single-family homes, according to RealtyTrac data. When mortgage rates rise, which they will surely do in 2014, as few as a third of all local buyers would feel the affect.