Ryan's haunted house was his favorite listing of all-time -- even if it was confirmed to be full of spirits.
Luis discusses what makes a good agent and why it pays to not try to sell your apartment yourself.
Fredrik discusses the importance of his social media presence, and how he always knew about his future daughter "Milla."
Ryan Serhant expunged the ghost from his listing, but he's not the only ghost hunter we love. Check out 11 other spirit spookers.