Jeff Kreisler, editor-in-chief of PeopleScience and co-author of Dollars and Sense, offers five tips on how to avoid overspending on back-to-school items this fall. Don’t fall prey to marketing tactics; try to spend smarter. —This article, from an email sent by a publicist for Jeff Kreisler, seemed to us to have some sensible advice worth repeating, even for people who don’t have school-age kids. These tips probably won’t save you a lot — but they’ll probably save you a bit. Jeff outlines our unconscious decision-making biases and how they can lead us to make poor choices, whether through intentional “traps” set by retail stores or by our own volition.