The useful question is not just what a donor gave, but what sustains the relationship.
Donor lifetime value is an estimate of a relationship, not a permanent label on a person. It can help allocate stewardship effort, but only when the model reflects retention, giving cadence, and the limits of the available history.
Recent giving often dominates simplistic forecasts. A campaign-driven gift may not repeat; a modest recurring gift may signal a durable connection. Cohort-based analysis helps distinguish these patterns without claiming certainty about an individual donor.
The analysis becomes stronger when paired with research into motivation. People support a mission for different reasons and respond differently to communication, recognition, and evidence of impact. Behavioral segments should be tested against what donors say they value.
A responsible model informs stewardship rather than reducing relationships to yield. It should be transparent about uncertainty and regularly checked against new behavior.