Comparison and grouping of goods from different suppliers

I was engaged in creating a unified database of sneaker models in Google Sheets, combining identical items from different suppliers to form a complete size range. My work involved analyzing the assortment through CRM systems and identifying the same models through detailed visual comparison. I paid special attention to every detail: shades of inserts, texture of materials, color of the sole, and inscriptions, to ensure complete identity of the combined items. For each found model, I filled in technical data, including articles, current prices, and links to photos. As a result, I created a structured database that allowed the client to see all offers for each sneaker model in one table.