Stock up on cereal without leaving the house! Amazon has this Quaker Oatmeal Squares Cereal 3-Pack for just $5.67 when you check out using Subscribe & Save! That comes out to be just $1.89 per box – and the lowest price ever. Pay $5.97 if you do not want to subscribe. Note: Be sure to opt out of the Subscribe & Save after your order ships if you don’t want future deliveries.