Grocery stores across the country are switching from traditional printed labels to electronic shelf labels, enabling them to change prices in an instant. Visiting your local grocery store to stock up for a big storm expected in your area? Prices of essentials like toilet paper, canned goods, and bottled water can be raised in anticipation of the shopping rush – exploiting your need for profit. But it does not need to be this way. Policymakers can step in to ban the use of electronic shelf labels