What's the goal with raising faction?
The only reason I ask is with invis and FD you don't have mobility problems. You should be able to bank at KOS by interacting with the NFP banker from the corner behind him. Selling should be easy with some merchants nearby.
Knights of Truth (and similar factions) will likely always hate you so even in a good city you might find an occasional hater. Luckily you will always have a ton of AC/hps and sow of you plan smart.
Zam can give you quests by faction, many are still accurate to this day. Figure out the npcs that hate you and reverse engineer. Trying to do it on a global scale is a huge time sink.
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