By Paolo Sandoval When it comes to copping designer clothing, buying online can feel like a gargantuan task. There’s no denying the ballooning interest in the likes of designer labels like Off-White or Balenciaga, thanks in part to expanded visibility and a truncated barrier to entry that platforms like Instagram, TikTok, and Poshmark provide, but with this increased appetite for high-end apparel, there’s also as been an influx of queries surrounding the how, what and where of digital designer acquisitions. For those just testing the waters of high-end apparel, it’s difficult to know where to …