If we are talking about the larger mortgage bankers, you can count on them having several strengths. For the biggest ones, like Countrywide or Wells Fargo, you will recognize the "brand name."
Usually, larger mortgage bankers are much better at promoting special first time buyer programs, cooperating with states and local governments. These programs will have slightly lower interest rates and costs than the current market rate. To qualify for these programs, your income must usually fall below a median average for the area and you must not have owned your residence for the last three years.
Mortgage bankers may have problems just because they are "too big" or they may operate like well oiled machines. A lot depends on the branch or office you deal with.
