You should be able to manually if not automatically change individual prices and with a single step change the whole group price. A big factor in estimating is setting up formulas and making them interchangeable. Since we have put the work we have into this project we might as well make it as well as we can. What I am talking about is organization and order. There are several ways to organize your database or the method you use to estimate.
Most people like to organize the data by foundation, basement, framing, roof etc.
It is good to be able to get to details smoothly to make changes or check your information. Databases can even be organized by rooms such as Baths, Kitchen, Garage, and Bedrooms. Good advantages to install in your system are called assemblies. Assemblies are several individual items combined into a single mega-item. What this means is instead of having to take off for individual studs and drywall etc.