In the ever-evolving landscape of business, organizations constantly face a pivotal decision: whether to build internal capacities or buy external services. This critical choice often hinges on cost analysis, potential benefits, and the limitations of each option. Within the field of HR and Talent analytics, this decision becomes increasingly complex as the organization grows in size. For companies ranging in size from 250 to 10,000+ employees, there are a multitude of factors to consider, from the annual salaries of data scientists and engineers, the cost of analytics technologies, to the time and expertise required for data integration and analysis. We have broken down these considerations into a digestible format, categorizing costs by company size. This guide aims to give a comprehensive overview of the financial and non-financial costs associated with both building an internal analytics team versus opting for 'eqtble', an external solution.