I hate removing crimps, so I buy once fired .223 brass from Brass Bombers. They sell it in several stages of processing, but I buy mine cleaned, deprimed and swaged, with the crimp removed. Ninety Two bucks per thousand seems OK to me. The quality seems good and I've had to reject only one or two per thousand, but they give you more than promised, so that's nice too.
Of course, if you're after accuracy like I am, these cases take some processing. I full length resize, trim to the same length, expand the necks to match my neck turning mandrel, neck turn, chamfer, flash hole deburr, primer pocket normalize, SS tumble, anneal, ,neck size, etc.. But if you're just making stuff to blast out of an AR, you can just load them up.
When these cases eventually wear out, I plan to buy another batch of 1000.