Needles & Grooves

Probably in terms of getting eyes on the products. But they take a staggering 15% plus a fixed fee per item.

TBH, set up at the local hipster farmer's market. These trust fund kids are paying big bucks for "vintage" clothing and old band shirts. Like hundreds of dollars. It's staggering.

Etsy is a decent option too

Etsy? Mercari? Compare fees. eBay’s fees are pretty monsterous at least for vinyl. Not sure if clothing has different fees