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Plan out your trip by aisle-type. Go shopping during off-peak hours. Use cloth grocery bags. Check the expiry date. Keep an eye out for in-store specials. Get frozen foods last.
Provided your shopping list is well-organized, you should be able to tell at a glance which items may be found in which aisles. Do a methodical sweep of the store. Go through the most important aisles first, and make sure you have all of the things you need before you move on. Try to cross off your shopping list categories (i.e.: fresh vegetables) at a time. Shopping are made easier if you go at times when the supermarket isn't as crowded. Late nights before closing are perfect for this, as well as weekday mornings when most people are busy working. In contrast, it's not recommended you go shopping during the weekend or in the early evening if you can help it. The supermarket will be busier and you'll spend more time wading through the foot traffic. Cloth grocery bags are a useful touch if you want the best shopping experience. You will save on the added fees for plastic bags, and cloth bags are more durable. Using cloth bags to shop with is also environmentally friendly, so you can feel good about yourself while you shop. When you're buying food items, it's a smart idea to make a habit of checking the expiry date. This is especially important for things with a short shelf life such as milk. If there are multiple copies of an item available for purchase, check a few of them and pick whichever one has the latest expiry date. You should leave room on your shopping list for improvisation. In-store specials are worth exploiting if it's something you would have wanted anyway. Although your shopping trip shouldn't be dictated by what's on special, taking advantage of these opportunities is a great way to make the most of the money you spend. If your shopping trip is going to be fairly in-depth, you'll want to count for the time the frozen grocery items will be out with you. Frozen products like ice cream shouldn't be kept out of frozen storage for too long unless you want a mess on your hands. If you think the shopping trip is going to take a while, aim to have these frozen foods picked up last.