Is inconsistency hurting your referral marketing program? We have a list of 10 factors that will hurt referral marketing. One item is far more important than the other nine: inconsistency. In fact, inconsistency in referral marketing is sometimes worse than no referral marketing at all. It dilutes the effect of marketing and occasionally has referring doctors wondering why they are no longer hearing from you, which can damage the relationship. The solution? Build a highly consistent annual marketing calendar and carry it out religiously.