Every supplier has one. That legendary spreadsheet that lives somewhere on the shared drive — “Master Pricing_v6_FINAL_FINAL.xlsx.” It’s part pricing tool, part estimating template, part database. And if you’re lucky, one person in the company truly understands how it works.  It’s been built and rebuilt over the years. New product lines were added. Formulas were copied from older sheets. Hidden tabs track margin

If you’ve ever worked at a building materials supplier, you know the feeling: a stack of architectural drawings lands on your desk or floods your inbox. Some come as PDFs, some as scanned images, others as Dropbox links with missing sheets. You open the plans, zoom in, print, highlight, measure, and cross-reference. Hours go by before a