Tax the richest players based on how much sitting bank money they have so regular players can get to have non-passive forms of income that rely on how quickly you can grind instead of shipments and timers
examples of what may be non-passive; drug delivery quest NPCs, buffing delivery & maintenance jobs, assassination quest NPCs (spawning a target on the map for somebody to kill, which has the potential to act as an actual murder scene with all the RP murder items (blood, bullet casings, corpse, etc), weapons delivery quests or whatever better ideas UA might have for active roleplay money grinds that aren't sitting on one's butt and waiting