Which estimating method involves a detailed listing of every cost aspect?

The detailed method of estimating involves a comprehensive breakdown of all costs associated with a project. This approach entails meticulously identifying and listing every item, material, labor cost, and overhead involved in the project, ensuring nothing is overlooked. This method is particularly useful for large or complex projects where precision is essential, allowing estimators to create a highly accurate budget based on the specific components and quantities required.

In addition to accuracy, the detailed method provides transparency, as stakeholders can see a clear justification for each cost element, helping to build trust and understanding among clients, contractors, and project managers. It also aids in effective project management, as the detailed cost breakdown can facilitate tracking expenses against the budget throughout the project's lifecycle.

Other methods, such as the approximate method, may provide quicker estimates but lack the detailed granularity required for high-stakes projects. The labor cost and production methods focus on specific aspects rather than providing a full picture of all costs involved.