10 Red Flags You Should Look Out For When Selecting a Real Estate Agent Warning Signs that a Real Estate Agent is a Bad One Lack of communication 1. Lack of communication: A bad agent will not keep in touch with you about the progress of the sale or purchase. They may fail to respond to your emails and calls quickly, leaving frustration and a lack of knowledge about important details. 2. Failure to listen. Good communication requires active listening. However, a bad agent might not take the time necessary to truly understand you and your preferences. They may present