The commercial estimation or general estimating process for a job is defined in this section. A rehab job, such as plumbing or air conditioning, is about understanding your company costs of doing business. These materials and templates are designed to be user-friendly and specific to a company. They are generic so you can enter your company’s direct costs for a job and use the labor and overhead estimates to create price. It creates a break-even and then allows you to apply whatever profit your company desires to create a price.