We've searched high and low to find a binder-style workbook that you can use to keep organized throughout the planning and construction phases of your home building project. We finally found it in Alex Lluch's publication "The Very Best Home Improvement Guide & Document Organizer." The "home run" feature that makes this workbook truly useful is the accordion-style, tabbed files for each category of building products you'll need to choose during the construction process. You'll have all your ideas, estimates and contracts in one place. Available at Amazon for less than $20.