I don't know that being a POS farmer is my calling in eve, but I decided to run the numbers. Made a spreadsheet where I can put in the moons I find and it tells me what stuff I can make. There aren't any good moon scans of curse or great wildlands available, but this is what you can make with the moons that are known to exist in those regions:
("input value" refers to the value of the base moon products)
Of course, those big shiny monthly income numbers don't include operating expenses. Exactly how much it costs to run a reaction chain depends on various things, but I would estimate that producing a complex product means spending around a billion per month on POS fuel.