Hello, Lunch-nim! This is the instructor. First of all, thank you so much for taking the <React Master Class: Part 3 - Mastering Core Practical Libraries (TypeScript, Zustand, React Hook Form, TanStack Query)> course and for taking the time to leave such a valuable review. Since tools like Zustand and TanStack Query play a very central role in modern React development practice, I sincerely hope that this part helps sharpen your practical skills even further. Thanks to your warm support, I am also finding great fulfillment and strength in running this course. To repay your support, I will continue to strive to deliver even more in-depth content in the future. To show my support for your passionate learning, I would like to offer you a small benefit. If there are any additional courses in our curriculum that you wish to take, please feel free to contact me at the email address below. I will send you a discount coupon immediately after checking. Inquiry Email: jeony0535@naver.com Thank you once again for your kind words. I will sincerely root for your growth! :D