When it comes to working with mortgage brokers, wholesale lenders shouldn’t discount the importance of a broad product line. That was one of the key findings to emerge from a recent study of brokers sponsored by Inside Mortgage Finance Publications and conducted by Campbell Communications. The study, entitled “How Mortgage Brokers Work with Prime Conforming Lenders,” is based on survey responses from more than 2,4000 brokers nationwide who were asked to weigh in on…