This document discusses the benefits and challenges of open educational resources (OER) from the perspective of an instructor. It notes that OER allows instructors to enhance their lessons with open access materials like images, videos, and textbooks. However, the quality and appropriateness of these materials must be determined. If instructors make their own materials OER, then anyone can access and use them, but the materials may not be tailored for all audiences. OER also provides legal clarity around using and attributing open materials. While OER can save students money on textbooks, instructors may not be reimbursed for time spent compiling alternative materials. Overall, OER benefits include free access to world-class instructional content for all