This document provides tips and strategies for retaining first-time donors based on research. It finds that 43.6% of first-time donors do not give a second gift. However, providing a fast personal thank you, such as within 48 hours, can increase the likelihood of a second gift by 4x. Other key factors that influence donor retention and commitment include the donor perceiving the organization is effective, knowing what to expect from communications, receiving timely thanks and impact reports, and feeling appreciated. The document recommends segmentation of donors and strong storytelling focused on outcomes to improve retention.