I still remember the first time I laid eyes on a pair of Salomon XT-6 sneakers in that exact shade of ‘Almond Milk’. It was 3 AM, and I was doom-scrolling through a resale platform, my thumbs hovering over a $450 price tag. That moment—teetering between desire and financial sanity—led me to an obscure spreadsheet I found mentioned in a Reddit thread. That spreadsheet was [joyagoo spreadsheet]. Fast-forward six months, and my closet is a testament to the power of alternative shopping. Before I dive into my full experience, let me address the elephant in the room: why even consider a third-party buying agent? The answer is simple: price parity.…