The biggest cue for understanding others is you.
When making a huge purchase like a new home, not only is what people say important, but how they behave. All human interaction, whether business or personal, involves overt communication.
Understanding how to read the intentions of others goes a long way in developing trust. Are you dealing with a sales rep who wants to make a quick sale, or someone who really cares about leading you to making the right decision?
Read my top three tips for understanding non-verbal communication at: https://torontosun.com/life/homes/its-what-and-how-you-say-it