Rob, you are approaching the market field in a very intelligent manner and with intelligent questions. As a recent graduate (I would suppose in business, finance or related field?) I would continue my education in real estate by joining a firm that offers to teach you both segments of real estate, residential and commercial. While there are similarities in processing paperwork, dealing with people, and organztional skills that are important to both, commercial real estate is much more complex and demanding. Therefore if you major field of studies was not in one of the above mentioned disciplines, my suggestion would be to acquire additional college or university credits in these three fields. You will need that knowledge in order to proceed toward success. The commercial field requires more research, more discipline and more knowledge. It also requires more patience. As a result, financial rewards in the commercial field are slow in coming and discourage many young realtors from proceeding in this field. As a wise person, I think you know that education will serve you well as you progress in the commercial arena and you cannot be over-educated to function well. As to joining a specific firm, there are several that offer both residential and commercial opportunities under one roof. Check them out, and make your decision after you have spoken to the brokers of the various firms. Hang on to your dream and persevere.