We have started buying our Dairy from Costco again because fat free milk has been averaging $3.40 a gallon at the local market and if we buy two at the same time, we can get them for $2.39 each at Costco. Since we generally drink a gallon a week (more if there are cookies), this is a good savings for us, especially when we plan to also fill the car up with gas and pick up a few other items to make the drive worth it. So we saved $4.02 on Milk alone this month... but our major savings was on cheese. We eat a lot of cheese... and its cheaper at Costco. Fresh and Easy wants $7.99 for a 2lb block of cheese, so instead of spending $31.96 on cheese this month, we spent $21.50, saving $10.46 this month. We still have a full block and a half left, so we probably won't buy as much cheese in March, but we also like variety and we noticed they even have Monterrey jack there too so this makes us excited.
Monthly Costco Savings Vs. Grocery Store: $14.48