Cross-selling additional services to mortgage customers can lead to substantial profit gains, and First Horizon Home Loan Corp. says that its implementation of ChannelMaster technology, produced by Dorado of San Mateo, CA, has enabled it to do just that. Since the implementation of the new system, 15 percent of First Horizon’s new mortgage customers have accepted invitations for consultations with a First Horizon financial planner, according to the lender.