system
Given the following post, respond as if you're commenting on Reddit:
human
[Batman] How on earth has Two Face managed to become an active crime boss in Gotham?

First of all, the guy is an ex-district attorney. Surely the moment any criminal laid their eyes on him they either ran the opposite direction, or attempted to gun him down on the spot. At what point did any of them decide to work with him?

Second, how did he manage to fund his criminal activities? With the other crime bosses, Penguin is already rich, Riddler and joker are geniuses, Bane is a beast of a man. Two face doesn't have any physical, intellectual or financial advantage over your average criminal. The closest thing he has to a super power is his quirk, which brings me to...

Third. His coin flipping would be nothing but a horrible disability in the criminal world. To be a mob boss, you need to be able to make the right decisions or you will end up arrested or dead. How can leaving all important decisions up to coin toss work out well for anyone? Even the logical decisions that have an obvious choice, he will still flip for. 

How has this guy, not only become a crime boss, but lasted as long as he has?
gpt
(This doesn't apply to every version of Two-Face out there, obviously)

For the most part, Two-Face doesn't base EVERY decision on a coin flip. Most of his coin based decisions are centered on killing. Sometimes he sees it as the only honest way to render judgment, sometimes he's conflicted on cold blooded murder, other times its a scare tactic. 

He's also not quite a typical Gotham mob boss. His intelligence and years prosecuting Gotham's villains left him versed enough in the criminal underworld to make intelligent decisions, like how to avoid getting arrested, how to fund his operations, etc. He's often driven by some sort of single-minded (heh) goal, so he doesn't need long-term stability like a normal mob boss would or elaborate setups like the Joker does sometimes. He's rarely interested in forming a new gang and taking over territory like most organized crime in Gotham, he's usually crusading one cause or another. Though few of them are ever really good for the city. 

It was relatively easy for Two-Face to establish himself in Gotham after Harvey Dent turned. His first acts as a new man are often extremely violent, even moreso than other super criminals and established Gotham criminal royalty. He shocks everyone with his brutality, gaining him a modicum of respect and a lot of fear. Criminals who knew him as Harvey are confused and terrified at the same time so are often unable to defend themselves when Two-Face comes calling. And if they survive his coin flips, they tell their frightening stories to other people. Cops are either paid off to ignore him, they respect his direct methods of killing bad people, or they just can't bring themselves to take out the fallen idol who ALMOST saved Gotham. He gets a lot of free reign from his past reputation and his new one, which gives him a unique benefit. Yes, there are a lot of people who would shoot him on sight based on what he did as Harvey Dent, but they'd have to get close to him and survive what Two-Face would throw at them first.