Professional idea: Hold out till you finish putting in the underlayment ahead of you install the drip edge over the gable finishes of the roof. Begin at the bottom aspect on the gable and overlap the sections of drip edge some inches as you're employed your way up the roof. https://nicehomeliving.com/5-roofing-companies-customers-love-in-downers-grove-il-top-choices-for-service-and-quality/