You can get Good Housekeeping Magazine for $4.99 a year (up to 3 years) when you use code COUPONGEEK at checkout by 11:59PM EST on 3/15/13.
I flipped through one of these at the dentist’s office last weekend. The last issue had some great cleaning tips in it.
Note: This post contains my referral links. You can read the disclosure of my site.