In this course, we step you through building a powerful delivery-account model so you master choosing and analyzing delivery features. We deep-dive into plan setup and variable adjustment, ensuring you fully understand and flexibly use these features. Along the way, we detail the first, second, and third moves of the stacked-bid method, opening more possibilities for your delivery strategy. Through rich case analysis and drills, you master using these tips to optimize ads and hit delivery goals. Finally, we share stacked-bid cautions to help you avoid common confusion and mistakes in practice.