Thats a great question! The real estate brokerage provides the marketing tools, which are all pretty much the same, mainly internet marketing. The real estate agent is the one that will be providing the service to you. Choosing a realtor that has the local market knowledge, has worked as a full time realtor in the area is someone that you are comfortable working with. Real estate commission are likely important to you also, I am my own Broker and can provide you with great service as well as competitive rates.