Saving money on groceries isn’t all about how well or how aggressively you shop. Sure, clipping coupons and shopping sales offer upfront savings, but you can also save a lot of money simply by reducing food waste. Meal planning helps, but it’s not the only solution. Knowing how to store produce, for example, can prevent fruits and vegetables from spoiling or becoming overripe before you can use them. One common mistake is grouping fruits and vegetables that negatively affect each other. Here are a few examples you should know about.