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Build siding and window estimates with ChatGPT before buying estimating software
Mark Hurd, former president of Rockford Siding and Windows (his own LinkedIn post)
He used ChatGPT to build estimates, then turned that workflow into his own web app that reads measurement files and generates estimates.
From $8/mo (checked prices)
Easy · or we do it from $497
ChatGPT
The problem
Retail estimates took time to build from measurement reports.
What happened
Self-reported: estimates now come out in about two minutes. Note: he went on to sell the tool he built.
Told by the owner Source: LinkedIn post by Mark Hurd (2025-10-07) · Added 2026-10-13. Results as reported by the source; we haven't independently verified them.
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How to set it up yourself
- Paste a measurement report and your price sheet into ChatGPT.
- Ask for a line-item estimate and check every quantity.
- Save the prompt once it's right.
- Only build software once the prompt works every time.
Copy-paste prompt
Using these measurements: {REPORT} and my prices: {PRICES}, build a line-item siding/window estimate with materials, labor and total. Flag anything you had to assume.Tools used
ChatGPT
General AI assistant for writing, research, brainstorming and analysis.
From Go $8/mo (Plus $20/mo) (checked 2026-10-13)
Visit site →Some tool links may be affiliate links. Disclosure
Checked prices: ChatGPT: from Go $8/mo (Plus $20/mo) (verified 2026-10-13)
Rather not do it yourself?
We'll set this up in your tools, in your voice, tested. Single use case $497. Satisfaction guarantee: we'll fix it until it works, or refund your setup fee. Terms. We reply within 1 business day.
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