Like “repeat customers,” its the key to success, but most nonprofits do a lousy job of it: https://nonprofitquarterly.org/2016/10/21/donor-retention-call-action-organization-wide-quality-performance/?utm_source=Daily+Newswire&utm_campaign=0647bdc3f7-Daily_Digest_235810_20_2016&utm_medium=email&utm_term=0_94063a1d17-0647bdc3f7-12442753