The Rutlidge Institute is the pricing research and software company that spent nearly three years developing the National Renovation & Insurance Repair Estimato rfor Craftsman Book Company. Research for the price book focused not only on costs, but also on other conditions that make the difference between making money and losing money. Analysis of construction companies from all over the country led to the following list of the top six profit killers. Profit Killer #1: Waste The cycle begins with overbuying of materials. Rather than come up one board or one brick short, many construction managers overbuy by several units. While this saves a time-consuming trip to the supply house, it creates a large quantity of leftover materials. This leads