KoopBuy Spreadsheet Guide body { font-family: Arial, sans-serif; line-height: 1.6; margin: 20px; } h1 { color: #2c3e50; } h2 { color: #34495e; } p { color: #555; } ul { list-style-type: disc; margin-left: 20px; }… My 2025 KoopBuy Spreadsheet Hack: How I Scored Off-White x Dunk Low Coats for Less!