First 3 are no-brainers. Amex Blue Card gives 6% cash back on groceries. Many veggies are cheaper, longer lasting and more nutritious than fresh. Concentrate on more reasonably priced sources for putting protein in the diet. Canned and dried legumes, Canned seafood like tuna and salmon, much of plain Jane dairy products. Beef and pork are budget killers and really not that great for your body or the environment for that matter.