This document provides tips for optimizing product listing ads (PLAs) on platforms like Google Shopping and Bing Shopping to boost sales. It recommends testing different product title formats, using categories and custom labels correctly, maintaining a clean product feed, and leveraging bid adjustments and competitive metrics. Key metrics like click-through rate, cost per click, and return on ad spend are compared for different ad formats and products, demonstrating PLAs can significantly outperform regular text ads. Regular maintenance and testing of product feeds on test accounts is advised to improve performance.