There are many ways to make your grocery shopping a little easier while saving money at the same time.
Bring a list for exactly what you need. Then do your best to stick to it and get out as quickly as you can!
As you go through the store, pay attention to the helpful aisle banners above each row... avoid any row that doesn't have something on your list. That should help temptations you may have to stray from the list.
This should really be RULE #1: do not shop while you're hungry! As a busy mom, I often make this mistake, and I know better! It's just not good for the waistline (because you'll buy foods you shouldn't!) or the family budget, so avoid it at all costs.
Do NOT be brand loyal, and try to buy only what's on sale. Sometimes a name brand can even be on sale for the same price or less than the store brand, so read those price labels!
Many people do not realize this (and the stores probably don't want everyone to know) but when a product is on sale, let's say for example "buy 4 for $10.00," you can almost always purchase just one of the items for the sale price, which in this case would be $2.50. In other words, you do NOT have to purchase 4 items to get the sale price! However, if it's an item you use regularly it's a good idea to go ahead and purchase more than one, as long as you have the money to spare AND the room to store the extra items.
You can save hundreds of dollars a year by shopping at lower-priced food stores. Convenience stores often charge the highest price.
You will definitely spend less on food if you shop with a list, take advantage of sales, and purchase basic ingredients, instead of pre-packaged and ready to eat meals.