This document outlines topics that the author Pedro Gustavo Torres wishes he knew when starting his first Scrum sprints. It includes sections on user stories, tasks, sprints, daily standups, sprint reviews, retrospectives, grooming, prioritization, team formation, product backlog estimation, estimation techniques, evangelization, transparency, automation, remote team members, work-in-progress limits, project managers, sprint length, the Spotify model, and not quitting when starting Scrum. The document provides an overview of key concepts and practices in Scrum to be aware of when beginning Scrum sprints.