This document summarizes tools and techniques for achieving high impact open educational resource (OER) adoption. It discusses how OER adoption can improve student success and affordability at scale. Research studies are presented that show OER adoption led to improved student outcomes like course completion rates and more credits earned. The document also presents a framework for evaluating the return on investment of textbooks. It concludes by outlining different approaches to OER adoption, including simple substitution of materials, realigning objectives, and rethinking pedagogy using open pedagogy to take advantage of what open resources allow.