Snack on fresh fruit and vegetables. Not only are they better for you, but they also tend to be less expensive than other snacks during the summer months. Eat at home. A restaurant bill for a family with children can be quite pricey. When eating out, take home the leftovers and eat them the next day.
Most American restaurants serve too much for one meal.
Instead of over eating, save half of the adult meals for lunch the next day. Mix your own fruit drinks. Bottled fruit drinks are very expensive compared to the powdered variety that you mix at home. Shop at box or discount grocery stores. The choice is often more limited than a full service grocery, but there is a big difference in cost.