Benzinga and Yahoo Finance LLC may earn commission or revenue on some items through the links below. Buying a home has just become even more difficult. The average credit score for U.S. homebuyers has climbed to an all-time high of 736, marking the highest level in the more than six-year history of the data set, according to the Intercontinental Exchange's October Mortgage Monitor Report. A report from Realtor.com also found that mortgage credit scores were roughly 20 points above the national average. Wh ...