Carnation Evaporated Milk is on rollback at Walmart. Use either of the coupons below and pick some up for only $0.73.

Buy 2 Carnation Evaporated Milk, 12 oz $0.98, rollback price
Use one $0.50/2 – Carnation Evaporated Milk – (verybestbaking.com)
Or $0.50/2 Carnation Evaporated Milk, 12 oz from RP 9/30 (exp 12/31)
Final Price: $0.73 each, when you buy 2