Building a homegrown cloud cost management tool can be a costly and time-consuming endeavor, requiring significant investment in engineering resources and potentially diverting focus from core business priorities. Before making a decision, teams should assess the financial implications of building their own tool, considering factors such as engineer salaries, overhead costs, and opportunity costs. Additionally, they must evaluate whether their team is strategically positioned to develop cloud cost optimization expertise, and determine how much cutting cloud costs aligns with their overall business goals and priorities. Teams may also consider alternative approaches, including open-source solutions or managed SaaS offerings, which can provide a more streamlined and cost-effective path to cloud cost management. Ultimately, the decision to build or buy a cloud cost management tool depends on a careful consideration of these factors and a clear understanding of the potential benefits and drawbacks of each approach.