In this segment of The Motley Fool's everything-financials show, Where the Money Is, banking analysts Matt Koppenheffer and David Hanson discuss how banks generate revenue when issuing residential mortgages as well as after the fact.

Matt and David break down the revenue stream into two basic parts, gains on sales of mortgages and servicing fees, and explain to investors how to read these results.

Will higher mortgage rates crush the rally?
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