This document discusses how on-demand insights from crowdsourced data can help grocery retailers gain a competitive advantage. It introduces Premise, a company that provides near real-time insights through a global network of contributors. The document outlines how Premise conducted a case study in Miami, FL to gather price and availability data across Walmart and Publix stores for specific products. The results provided insights on pricing comparisons across geographies, stores, and over time. Key takeaways are that on-demand insights can help grocery retailers stay competitive by reducing data collection costs and discovering trends in shopper behavior.