When exploring business ethics, think beyond Enron, WorldCom, and Martha Stewart. Some real estate brokers toss ethics aside (along with your best interest) to maximize their profits. Their only salary comes from commission, and whether you’re buying a home or real estate investments, you need to know how your broker may be working you to up her commission. Through the help of my own real estate broker, we’ll be periodically examining the strategies behind many brokers so you can keep them from grabbing your buck.