Commission Express 20720 Watertown Rd, Waukesha, WI53186 Commission Express serves the realtors in the community by managing their cash flow. With the nature of the realty…More market, it's often difficult to predict how often a paycheck will come and manage expenses for ongoing listings. Commission Express provides advances on commissions from a sale in order to continue operating your business as an independent contractor. Advances are generally paid within two days of requests. Fees are based on the length of the projected settlement and are a percentage of your commission.