The document discusses how to evaluate the efficiency, effectiveness, and coverage of an AdWords account in 5 minutes. It recommends reviewing 3 key reports - keywords/placements by cost, quality score visualization, and impression share - as well as checking for issues like low-quality keywords/placements, budget holes, and under-optimized qualitative settings. Performing these checks identifies opportunities to improve performance by adjusting bids, budgets, negating keywords, and ensuring best practices are followed.