 If you want to save money and eat well for July 4th, chips from ABC's Alexis Christophorus include Don't Eat Out, Cook Stuff Yourself. Opt for homemade potato salad over chips since the cost of white potatoes is down about 4.5% while potato chip prices are up nearly 3% compared to a year ago. Now to wash it all down, you're going to want to brew your own batch of iced tea since bottled iced tea prices are up nearly 2.5%.