Amazon has 1-Gallon/127.8oz of Cattlemen's Kansas City Classic BBQ Sauce for $12.03 - 5% off with Subscribe & Save (can cancel anytime) - 20% off coupon (check “Save an extra” box, eligible on first S&S order for this product) = $9.02 with free shipping on $25+ or with Prime.

Also available in Base BBQ Sauce Original and in Mississippi Honey BBQ for $11 w/ coupon.