This is probably a question best answered by, "Shut up and wait for [i]Sunward[/i]", but I'll plow along nonetheless. It occurs to me that being a nomad on Mars, even a nominally terraformed Mars, doesn't have a very wide profit margin in either monetary terms or lifespan. Except for research stations there aren't any naturally occurring oases and, unless I'm missing it in the literature, the wilds of Mars don't have the flora yet to support grazing cattle. That's how nomads have historically supported themselves: cattle. I get that in the EP verse the Barsoomians probably have portable 'fabbers, but they'd still need some sort of income to pay for goods and services a 'fabber can't poop out. Off the top of my head, I think the Barsoomians may make their credits through cartography and trailblazing (mapping the frontiers or Mars on a fine scale that satellites can't and trading that to hypercorps) and wildcatting ore claims and selling the rights to hypercorps. Anybody have any better ideas? Am I wrong about Mars not being able to support even genetically altered cattle, yet?
"Let’s face it: Most of us are just here to shoot stormtroopers." - Gary M. Sarli