Mortgage rates dip: 30-year at 2.88%

U.S. average rates on long-term mortgages edged down slightly this week, remaining at historically low levels.
Mortgage buyer Freddie Mac reported Thursday that the average rate on the 30-year home loan fell to 2.88% from 2.90% last week. One year ago, the rate averaged 3.65%.
The average rate on the 15-year fixed-rate mortgage also fell, to 2.36% from 2.40% last week.
Low interest rates have made already strong demand for housing even more robust, but a lack of available supply has flummoxed w