Impulse purchases are supposedly a bad idea, but you can save money if you stumble across a sale. Be flexible enough to rethink your upcoming meals while pushing your cart down the aisle. Meat, poultry and fish are usually the most expensive items in a non-vegetarian meal, so think about stir-fries and stuffed tortillas when you come across a bargain. If you can’t use it this week, pop it in the freezer.
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