I Tried the Mulebuy Spreadsheet: 2026’s Best Budget Hack or Just Hype? Okay, confession time. My name is Felix Vance, I’m a 28-year-old freelance graphic designer, and I have a problem. Actually, I had a problem. It was called “impulse-buy amnesia.” I’d see a slick pair of sneakers on a targeted ad, click “buy now,” and then completely forget about the transaction until my bank app sent that little heart-attack notification. My budget was less of a plan and more of a vague, anxious feeling. Enter the mulebuy spreadsheet. I kept seeing it all over my feeds—finance TikTok, minimalist YouTube, even my more organized friends were whispering about it. Was…