Which of the following is crucial for a contractor's success aside from financing?

The skills of estimating are indeed crucial for a contractor's success because they directly impact the financial management and competitiveness of a construction project. Accurate estimating allows a contractor to assess the costs of materials, labor, and overhead, ensuring that bids are not only competitive but also sustainable for the business's financial health. This skill helps in preventing budget overruns and in achieving profitable outcomes.

When a contractor excels in estimating, it facilitates better project planning and resource allocation, leading to enhanced efficiency on job sites. It can also inspire confidence in clients, as well-prepared bids reflect professionalism and understanding of project requirements.

While client relationships, marketing strategies, and the number of contracts are also significant for a contractor's overall success, they hinge largely on the foundational aspect of cost estimation. A contractor may have strong client relationships and solid marketing strategies, but without proficient estimations, those relationships could be jeopardized by unrealistic bids or unforeseen costs, which could lead to project failures or financial distress. Thus, skills of estimating serve as a cornerstone for ensuring long-term viability and success in the contracting business.