I figure that the money they get comes from donations, trading, and the odd job posting found on chantry boards.
Most Wardens seem to be taught to be self-sufficient and hunt for their food, which fits with Alistair comments in Origins about his infamously bad cooking and unappealing rabbit stew, coupled with Morrigan's annoyance when the dog left a dead rabbit in her knapsack suggesting that the party often hunted for their food.
As a former soldier himself before he took Blackwall's name, it would make sense that Rainier would be used to living rough and probably how to hunt and live off the land, especially when he was short of a few bob and couldn't afford a decent meal at a tavern. Having squandered the money he won in the Grand Tourney in under two years and being not adverse to a hefty bribe, one can assume that Rainier has a tendency to squander his cash like Gamlen, forcing him to find other ways to make the quick bit of cash on the side?
I don't really think that those assets are sufficient to run a military organization unless that organization is so small as to be effectively useless. In
Awakening we see that the Wardens have to rely on the resources of the arling of Amaranthine to maintain an effective fighting force, but that situation is also described as extremely unusual, and Wardens "playing politics" in that manner is supposedly anathema to the Order's precepts.
But they simply have to get money and supplies from somewhere. I think a decent analogy is the crusading orders of medieval Europe, which were essentially invested with varying degrees of rights to land (usufructuary rights especially, but sometimes seigneurial rights and even sovereignty) and used those estates to form the financial core of their organizations. In stark contrast to the Wardens, the military orders knew very well that "playing politics" (in the sense of owning and using land) was
inextricable from maintaining an organization powerful enough to be relevant. The Wardens don't do this, because reasons. That implies to me that they are a military nonentity, or should be. That they apparently are not is an aspect of the setting that I consider to be frustrating.
And as for Blackwall's survival off of limited resources...yes, that was the point of the leading question. Odd jobs for shifty people, random requisitions, and possibly theft. It wouldn't, or shouldn't, have accounted for his ability to maintain his gear, or to travel well, but that's a mark of Thedas' economy being monetized to an insane degree which is an entirely separate flaw in the setting.
I meant minor nobles and such in and around Ferelden. Just wave one of the treaties and eat for a day.
That might work for him for awhile, yeah. I have a hard time imagining that it would be sustainable for a variety of reasons. Blackwall's point, that the treaties are only as valuable as a convincing person can make them, is exactly right: making them into his meal ticket seems an unreliable means of survival.
also none of this is really the way treaties tend to work but that might be getting too nitpicky
Is that hundred percent compliance? Certainly not- Anders is a good example. But can it be 'enough' to be sustainable? Sure.
Can it, though?
Wastage in historical forces under conscription was and is stupidly high without a massive infrastructure to capture and punish deserters. The Wardens don't really have that infrastructure, and neither do the great kingdoms, unless it's 1914 in Thedas and I didn't notice. They have the 'stick' of the taint, but that's not really a stick at all any more than the fact that people are mortal is a stick. Conscripts that go through the Joining get the nightmares and the Calling either way, but they can choose how to spend their remaining decades: fighting monsters at extreme risk for basically no recompense apart from the warm happy feeling of saving the world, or trying to start a new life and do something profitable and relatively comfortable. After all, if these men are criminals, and if they're going to die anyway, why
shouldn't they engage in a little recidivism?
I simply don't see where the sustaining motivation and combat motivation for Wardens in the field comes from. BioWare's got initial motivation covered nicely: help save the world, or get conscripted. Fine. Those are perfectly adequate reasons. But initial motivation isn't the whole story. There needs to be something else keeping the Wardens doing what they're doing, and modern military-historical studies on why people fight - from Bartov to Hamner - have quite clearly indicated that sentiment, while admirable, and certainly helpful, is not a sufficient explanation. Money would help a lot. Brutal, violent discipline could also help explain things. In later centuries, starting in the Second World War, giving soldiers hope for survival through victory worked wonders. But none of them is attested, and there needs to be some additional explanation for why Warden wastage isn't spectacularly high.
This is, for what it's worth, a very unfair critique coming from me. The model of initial/sustaining/combat motivation has been around since the Second World War, but has only percolated into academic historical studies relatively recently, and has only been systematically studied in the last few decades. Bartov published in the late 1980s; Hamner published about ten years ago. The conclusions have come under a fair amount of criticism from serving soldiers and veterans who emphasize sentiment, especially the "band of brothers" idea (again, not a
sufficient explanation even if sentiment clearly does play a role in motivation); even if the criticisms are wrong, they are still regularly made and widely believed in among laypersons. So it's not like these things should be blindingly obvious to BioWare's writers, and failure to incorporate them is incredibly stupid. But I think it's still worth pointing out that these
are problems of explanation, and the fact that they are not answered means that we probably shouldn't be too rigorous about other things like "mostly criminals".