The document provides five tips for avoiding common social media mistakes: 1) incomplete profiles, 2) one-way communication rather than conversation, 3) spamming with sales pitches, 4) being robotic rather than human, and 5) inconsistent branding across social media and other marketing materials. It advises regularly reviewing social media efforts to understand what works and ensure best practices are followed. Understanding these common mistakes is the first step to avoiding them and better connecting with customers through social media.