DiscountMags offers an Architectural Digest Magazine 1-Year Subscription (12 issues) for $23.99. Coupon code "DEALNEWS" cuts it to $3.99. That's $2 under our October mention and the lowest price we've seen. (It's also the best deal now by $21.) Digital access is also included with the print subscription.
Note: You can purchase up to a 3-year subscription or renewal at this rate.