I'm leaving this review hoping it might be of some help to those considering purchasing this course. I've been doing performance marketing for about 7 years at both in-house and agency positions, and I'm currently working in data marketing that combines performance and CRM in the field. From that perspective, this course is one I'd especially recommend to those who are currently doing or planning to do performance marketing, as well as those preparing for or running their own businesses. ★1. A course like a "Google Ads encyclopedia" that you can reference for a long time once purchased This course covers almost all aspects of the Google Ads system comprehensively. When working in practice, you often encounter situations like "What is this feature?" or "When should I use this option?" In such cases, you can select and rewatch only the relevant chapters. In that sense, it's more like a reference you consult whenever needed rather than a course you listen to once and finish. Most domestic courses tend to explain only "frequently used features in practice," but this course structurally covers the entire Google Ads system, helping you understand in what situations less commonly used features are effective and why this platform is designed this way. In some industries or campaigns, features that aren't usually used can actually become the key to performance, so this broad understanding definitely becomes a strength. Another good point was that the content focuses on basic principles rather than short-term trends, giving me the feeling that I could continue referencing it next year and beyond. Even if the Google Ads interface changes a bit in 2-3 years, the 'structure and principles' covered in this course probably won't change much. Therefore, since it's not easy to find courses of this style domestically, I think it would be well-suited for those who want to purchase it in advance and watch it slowly multiple times. ★2. Particularly helpful points for performance marketers and individual business owners From a performance marketer's perspective, this course allows you to reorganize Google Ads not as "a few tools" but as "one system." Even if you're already working in the field, it's not easy to get an overview of how each feature and setting is logically connected, and this course draws that map for you. It was particularly helpful when wanting to restructure campaign architecture from scratch, when performance is ambiguous, when you need criteria for where to start checking, and when you want to get ideas about 'in what situations you could try using' menus you're not usually familiar with. Also, for individual business owners or solo entrepreneurs, this course could serve as a 'basic textbook of what you should at least know even if you outsource advertising.' It helps you make decisions based on understanding the Google Ads system rather than intuition - where and how to spend your budget, what to listen for and what questions to ask when talking with agencies or freelance marketers, and what to start with when attempting direct execution. The structure was particularly well-suited for those who want to develop at least the 'ability to read the situation' in the early stages of business when every advertising dollar counts. ★3. To be honest about what kind of course this would be for experienced professionals If you've been doing performance marketing consistently for 3-4 years or more, especially if you've directly handled Google Ads at an agency for several years and received training, you might feel like much of this course covers content you already know. This course is closer to a basic-to-intermediate level curriculum that organizes the entire Google Ads system, rather than very deep practical insights or advanced operational skills. So for those who have already operated multiple accounts and large campaigns for a long time, rather than gaining significant new insights from this course alone, you should view it as "for organizing basics once more and checking for gaps." Conversely, if you have work experience but have only partially dealt with Google Ads, or if you've mainly focused on other channels until now but want to systematically organize Google Ads from now on, it would be quite helpful for restructuring from basics to the overall framework. Additionally, if you already find this course level sufficiently easy, I recommend expanding to instructor Tanmoy Das's other courses (such as Google Tag Manager, SEO, Shopify, AI prompt-related courses, etc.). Those are closer to advanced/expanded areas, so they might be better suited for experienced professionals.