I am basically in same situation with my 16th bard and 15th ranger being only able to play about an hour or so at a time.  I've been soloing with the bard in Unrest but as mentioned, the yard trash is now mostly light blue.  I still get just under 1% per kill, but it's a grind.  I may move him to Erud's Crossings or WK for the bandits.  Or try AE kiting in WK or NK, but I suck at it. 
 
As for the ranger, I have no idea where to solo.  Tried the sisters camp many times but it was always camped.  I am thinking to going to Kurn's since I need to get some spiderling silks for tailoring in FoB anyway. 
		
		
		
		
		
		
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