yea as mentionned, there are a ton of difficult possible arbitration scenarios, i think there is a clear need to :

1. list the payment options (like bisq did on this page here https://bisq.wiki/Payment_methods)
2. detail each payment option with the correct trade protocol (which includes the precautions to PROVE that you conducted the trade correctly for the arbitrators (see localmonero’s tips on cash by mail for example https://localmonero.co/cash-by-mail-tips )), the risks of the trade going wrong, and what to do in each case.

I opened up https://github.com/haveno-dex/haveno/issues/944 just now for the same