I Tried the Mulebuy Spreadsheet: Is This 2026’s Best Budget Hack? Okay, confession time. My name is Felix Vance, and I’m a 28-year-old freelance graphic designer who’s basically a professional bargain hunter. My friends call me “The Spreadsheet Sensei” because I track everything from coffee prices to vintage denim finds. My personality? Let’s call it “analytical minimalist”—I hate clutter, love clean data, and my catchphrase is “Let’s optimize that.” I speak in measured, precise bursts, with a habit of pausing… to calculate. So when I first heard whispers about the “mulebuy spreadsheet” in online thrift communities, my data-obsessed heart skipped a beat. A tool to track group buys and split…