I’ve used it. Actually I prefer nostr:npub1yul83qxn35u607er3m7039t6rddj06qezfagfqlfw4qk5z5slrfqu8ncdu for trading P2P. It is cheaper, or it used to be. Don’t know now.
You may also test https://learn.robosats.com/ to buy no-KYC sats on Lightning Network P2P as well.