1 the level cap is 99 and there's 4 trait points available from rebirthing and 1 additional from rebirthing via boat (this one point is temporary and will be removed if you rebirth again after via death) for a total of 104-103 points depending on if you get on the boat or not.

2:you can buy a fake id in the  backstreets in the city you can also sell your real id and buy a fake ID for a small profit, theres also an entrance to the city from the NW in the cave you cut through the goblin cave to get to the sewers this process takes a whole day (2 half days)

3:use what they can't take from you if you are human you have nothing but stealth rebirthing enables more options for escapes like abomination gives you a permanent weapon deep one gives you the ability to immediately break bonds and summon help moot has higher base scu then there's the hybrid race of abomination moot which is both abomination and moot naturally and note that deepone has anti stealth aspect to it you will draw every enemy in a 8 tile radius due to having -5 SCU