Disclosure: This post contains affiliate links GoodMouth is a toothbrush subscription box with plans as low as $4.95. You choose the number of people in your subscription, the kind of toothbrush, and how often to get it. GoodMouth really puts you in in control of your own subscription. Right now, they are having a great deal, subscribe and get 50% off your first 2 months! So you can get 1 toothbrush for $2.49 (twice).