It's definitely possible. It's just not as easy for stationary settlements of any great size to prosper. The threat of mutant elemental conduits ravaging the area is a bigger threat to "permanent" fixtures as opposed to temporary outposts or roving bandits. They also would be the target of such thieves and violence. If you can make it work that's fine! Write something up and we'll see how it fits into the setting. Just the ruthless and cruel tend to rule the wastelands due to... their ruthless and cruel natures; they'll murder and step on anyone to take what they want with violence. 

But yeah. The Bloodhounds from Eden are established. They have their own headquarters where they send out small groups or singular agents (with a scribe) from, and the Miraculum are complete fanatics who both rove the Wastelands, and have undercover agents "supposedly" infesting Eden and the Garden cities. They're complete fanatics, but they have numbers, and spread out.

Yes, post is IC ofc. No need to have an OOC post order. :3 

Uh... I don't think you can make your own tabs? I'm kind of new here too, honestly. The tabs we have now, OOC, IC and Characters automatically spawned with the board.