Good deals on McCann's Oatmeals at Amazon with extra 15% off after promo code MCCANN51, valid through 10/31.  Here is a screenshot for your reference. Shipping is free on orders over $25.  There is a special subscription to save an additional 15% by receiving the products at a regular interval and shipping is free with no minimum. The subscription can also be canceled at any time. Prices reflect the 15% discount.

• McCann's Steel Cut Irish Oatmeal, 16-Ounce Box (6-Pack) for $15.61
• McCann's Quick Cooking Irish Oatmeal, 16 Ounce Box (6-Pack) for $16.95
• Instant Irish Oatmeal, Fruit & Cream, 4-Flavor Variety, 10-Count Box (6-Pack) for $18.28
• McCann's Steel Cut Irish Oatmeal, 28-Ounce Tin (4-Pack) for $19.67