Here's my concern about pricing compared to other FFG miniatures games. I'm going to use the reanimate archers as my baseline for comparison, and I am talking expansions only, not core set.
$50 gets you 4 trays of archers. A unit of 2 trays without upgrades is 18 points. I don't think we have a point cost on a unit of 4 trays, but extrapolating from the cost of basic reanimates, it seems like it will be around 30 points. Let's try to get the most for our money and field 2 units of 2 trays. That's 36 points without upgrades (and a unit that size only has a single upgrade slot that we will not be using since buying standard bearers involves ANOTHER $25 expansion that comes with ONE standard bearer. So we have spent $50 on 36 points out of a total (if I recall correctly) 200 points for a "standard" sized force.
That's 18% of an army. Let's look at what $50 can get us from X-Wing or Armada (these are just examples and not optimized):
In X-Wing, $50 can get you:
Imperial Aces and a TIE Interceptor. Full Squadron right there. If you want to optimize an ace list, you have at least 2/3 of a squadron. $5 left over.
Heroes of the Resistance. Full squadron right there (and not a bad one, though you may need to invest in some more crew or droids). $10 left over.
The Ghost. Full squadron right there (but not a good idea), anyway, potentially half or more of a squadron depending on build. $0 left over
3 small ships of your choosing (less if you pick one of the 'big' small ships). Plenty of ways there to build a full squadron, and going to $55 gets you double ARCs and Biggs. Still not perfectly competitive without additional purchases for upgrades, but viable to put on the table.
In Armada, $50 can get you:
All in all, a lot less. However, you can get an Imperial Star Destroyer, which, if kitted out (legally) with ONLY cards found in that expansion, can hit over 200 points, half your fleet. In fact, the only thing comparable to the Runewars pricing is if you want to build an entire fleet of flotillas and the smallest ships in the game, but you have to actively try in order for your cash to not go further.
Ultimately, my point is this. X-Wing, and to a lesser extent Armada, CAN be played on a budget. This is important for the mental state of the consumer. I know this is anecdotal at best, but I got into X-Wing thinking, "well the core set is only $40, and the ships are only $15 a piece, $30 for the big ones. I won't spend that much." 3 core sets and probably well over 100 individual ships later, it's clear that I was horribly mistaken. But it's that initial self-deception that is really important to build a larger player base. I went into Armada far more cautiously, and this game...
I just don't know. I love that FFG is branching out, and a minis game untethered to an external IP is a great move. I'm sure the system will be great and the miniatures will start good and get better as time goes on, but this game just may not be for me.
TL;DR: other FFG games can be played on a budget, it doesn't look like Runewars can be.