ALL POWER COMES WITH A PRICE is probably a recurring theme only due to Harry's THE TEMPTATION OF POWER being his trouble. Frankly, in those stories in DF that do not feature Harry Dresden as the protagonist, it doesn't come up.
In fact, when the spotlight is on other characters, I feel that POWER'S LOW LOW PRICE seems to be more appropriate.
I don't know how you can possibly get that....
Like... what about in aftermath when Murph has to decide whether or not to get the sword? What about (I forgot the name of the story) where Harry protects the Carpenter family and gets hit with the .50 BMG round. Michael's involvement as a sword of the cross and his decision to give it to Harry endangered his family. Those are just two examples that neatly tie in with what I was talking about.
Like... what about in aftermath when Murph has to decide whether or not to get the sword? What about (I forgot the name of the story) where Harry protects the Carpenter family and gets hit with the .50 BMG round. Michael's involvement as a sword of the cross and his decision to give it to Harry endangered his family. Those are just two examples that neatly tie in with what I was talking about.
That part in Aftermath about Murph was more about her overcoming her fear and about her oath and her duty than the price of power, that back and forth about the Sword was simply justification for her to overcome her fear. In Warrior, Harry was involved, Michael gets dragged along for the ride; he had already given up the Sword, so that situation would not be so much the price of power but the price of not having that power. The examples you quote are, as far as I am concerned, only tenuously connected to what you are talking about.
I can see how you can make those connections from these example to that Aspect but I think that there are simply too many degrees of seperation between these issues to make a direct connection. The further removed from Harry the protagonist, the less the question of power and its price comes into play.