monero accepting darknet site
https://mywtnmarketnetmirrorpath.valoradigest.com/posts/using-the-wtnmarket-net-mirror-for-secure-access-to-wethenorth-market
I found a site on the darknet that exclusively deals in Monero. The checkout process felt clean and low-profile with no unnecessary forms, and the vendor's profile had solid escrow feedback. It's definitely a niche space, but for private purchases it's got a trustworthy feel to it.