Jennifer Streaks, Business Insider: The price of groceries have increased 20% over the past two years, and with shrinkflation in play too, you're getting less for your money than ever before. The shrinkflation effect is most commonly seen in potato chips, cookies, cereal, candy, paper products, and even shampoo. Here are 4 ways to minimize the impact of shrinkflation and get the best bang for your buck.