I think that the best method for feeding your cat is to buy it in bulk, and then arrange it in your cabinet categorized by flavor. If you feed your cat each can sequentially, you know that you are feeding him or her a delicious treat that they haven't had for several days. This takes all of the guesswork out of which can to feed your cat next. Cat food problem solved!
Of course, one must first make a careful study of which kinds of food your cat likes to eat. This can only be accomplished by a painstaking process of trial and error, but I definitely think that the results are worth it. Here is the findings of my own detailed study of the eating habits of my cat, Captain Nemo:
My Cat's Favorite Foods: A Detailed Analysis