This document discusses strategies for real estate agents to build and maintain their client database in order to generate repeat and referral business. It provides statistics on how buyers and sellers typically find realtors and recommends that agents (1) establish a client database, (2) regularly update their clients, and (3) continuously engage with clients in order to increase the likelihood of capturing repeat and referral commissions that can significantly boost their income over time. Various formulas are presented to illustrate how larger database sizes can translate into substantial additional annual commission earnings potential.