NAR Cost vs Value These lists are just tooooooo funny! All I know, is that the cost approach obviously has no relevance in Miami, Providence, San Francisco, and a few other choice places. Y'all should check out the contributory value of these remodels/upgrades. I know I've been waaaaay off on deck adjustments in my area! Can't wait for the arguments: "...but, but, NAR and Remodeling Magazine say that the deck adjustment should be 15k, even though they only paid 6k to build it! You're INCOMPETENT!"