Total shoulder arthroplasty is a challenging operation that, when performed properly, can lead to lasting improvements in function and pain. Frequent problems along the learning curve for this procedure include difficulty with intraoperative glenoid exposure, along with postoperative shoulder stiffness and postoperative subscapularis insufficiency. Steps to address these pitfalls, with particular emphasis on anteroinferior capsulectomy and lesser tuberosity osteotomy, are described. In addition, a detailed description of our chosen surgical approach is presented to accompany a video detailing the steps.