The resale economy has exploded in recent years. The US secondhand apparel market is expected to reach $79 billion by 2030 and is growing four times as fast as the retail clothing market, according to a new report from consignment platform ThredUp and retail analytics firm GlobalData. Per Morning Consult, nearly half of American consumers say they've made a secondhand purchase over the past three months. The boom has led to an influx of professional or professional-ish resellers looking to make