This guide provides a sensible approach to incident management for early-stage startups, focusing on what is important and what can be deferred until later. It covers defining an incident threshold, setting simple severities, deciding where incidents will be logged, creating a fresh space to coordinate during an incident, being clear about roles, keeping customers informed, and avoiding lengthy post-mortems. The guide also mentions the benefits of using incident.io for efficient setup and management of incidents in small organizations.