You can search for Consumer Reports
or click on this link:
The price for the 1-Year (13 issues) Subscription shows as $26
Add to cart, then use coupon: GOOGLE10
It will apply a $10 off coupon!
Final price for the 1-Year (13 issues) Subscription: $16
It works for renewals too, which is what I did. Just add your Subscription Account Number.
This coupon will most likely work with other magazines too. It doesn't seem to have any limit on a minimal purchase.