As a construction estimator, your duties are to estimate the cost of a project. Your responsibilities include determining costs for materials, labor, and machinery to create a bid. Blueprints, estimating software, and pencils are vital tools for construction estimators. You work with both residential and commercial projects, either through a company or as a private contractor. Working part-time, you may be self-employed or work on an as-needed basis. You advise individuals on labor procedures, conduct negotiations on price, and adhere to strict regulations in this job. You also communicate directly with engineers, architects, contractors, and more.