6. Why use a mortgage broker? Broker VS Bank Wide range of mortgage products. : Single profile mortgage products. Best discounted rates â significantly lower than banks. : Posted rates & negotiate. One credit report â protect clientsâ credit. : One credit report per bank â potential reduction of client credit score. Focus on mortgage. : Cross marketing of credit. Specialize in mortgages. : One of many products. Free service â âAâ clients. : Free service â âAâ clients. Excellent service & knowledge. : Often inexperienced people at help desk. Focus on financial freedom. : Profit from debt.