1) Yes you can, pretty good opsec.
2) No, you just have to verify your email.
3) The fees are better than bisq, check there for details 👉 https://www.bullbitcoin.com/rates

You can use https://mission.bullbitcoin.com/bhodl when you register for extra sats!

@BTCsessions have a nice tutorial that explain it all 👉
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