Build a Bulk Product Description Generator That Actually Ships (Python + GPT-4) published: false

I needed to generate 500 product descriptions for a home goods client by end of week. Their catalog: a spreadsheet with product names, dimensions, materials, and bullet-point features. My deliverable: unique, SEO-optimized copy for each one, ready to paste into Shopify. The manual approach would take 40+ hours. I had two days. Here's the Python pipeline I built, what broke along the way, and the exact code that processed all 500 without blowing the API budget or producing garbage output.