A lot can hinge on a promptly sent thank-you note.

By Kimberly Seville

As a fundraiser, I can make educated guesses as to why. But when I morph into Mrs. Gladys Gooddonor, I know nothing of our business. All Gladys knows is that a bank statement indicates the checks were cashed and not lost somehow, and she’s disappointed that her gifts must not have meant enough to those organizations to warrant a simple thank-you note.