I still remember the first time I stumbled upon a mulebuy spreadsheet. It was a chaotic Tuesday afternoon, and I was knee-deep in a rabbit hole of Asian streetwear forums. Someone casually dropped a link, and my world tilted. I live in Portland, Oregon, where vintage thrift is religion and minimalist is law. But me? I’m a maximalist collector with a penchant for limited-edition Chinese fashion sneakers that never hit US shores. My name’s Leo Chen, a freelance graphic designer by day and a sneaker hawk by night. My budget? Middle-class with a twist: I’ll spend $500 on a single piece but agonize over a $20 shipping fee. I talk…