Orszag, director ...Peter R. A federal rescue of Fannie Mae and Freddie Mac could cost taxpayers $25 billion, congressional budget experts said, as the House scheduled a Wednesday vote on legislation that would tap the giants' profits to cover any losses from saving 400,000 homeowners from foreclosure. A costly rescue for Fannie and Freddie is just a worry, not a certainty at this point. To get the best mortgage rates, you need to contact several lenders as each lender may differ in their price quotes. Getting the best mortgage rates out of your home loan can also be achieved with the help of a mortgage broker.