This document discusses the importance of having accurate key performance indicators (KPIs) and discusses some common issues that can lead to inaccurate KPIs. It notes that smaller companies often manually manipulate spreadsheet data to calculate KPIs, which can introduce errors. It recommends that smaller companies have an independent consultant validate their KPI spreadsheets. The document also discusses the importance of having clean, relevant data for effective business decision making and management reporting. It outlines some best practices for evaluating data quality issues and ensuring data relevance.