How did I manage to keep the advertising CPI under $0.3 with TTCC (North America)

Hi guys I've tried TikTok Creative Challenge (TTCC) for my app and received great results. Basically it helps you find KOCs for no additional fees. Just wanted to share the product here and discuss with the community! What is TTCC: TikTok Creative Challenge (TTCC), also known as "Creative Challenge", is a unique advertising solution provided by TikTok for Business to help brands achieve innovative operations and conduct marketing promotions. The brand launches a challenge on TikTok and solicits submissions from creators. Submitted videos will run as ads on the For You feed once reviewed and approved. Steps to set it up: 1. Start your TTCC challenge Create an engaging creator mission guide on the TTCC platform. Remember to clearly state the content you need, provide creative guidance and constraints, and share videos of success stories so creators understand what content will be beneficial to your brand. 2. Creators participate and receive your product Enterprises can provide your products to creators in one of the following three ways: the creator purchases it at a local retail store; the enterprise mails the product to the creator; or the enterprise provides a redemption code that can be used on the official website. All three methods can be easily managed through the TTCC platform. 3. Creators create and submit videos featuring your products After the task is released, the creator will check the company's guidelines and decide whether to participate in the challenge. If he agrees to participate, the creator will produce and upload the video to the TTCC platform. At this time, the company can screen these videos and decide whether to approve them or request the creator to make changes. 4. Publish creative works in Advertising Manager Once the video is approved, all finalized creative content will be automatically synced into the business’s TikTok Ads Manager. Enterprises can set up advertising campaigns according to their own needs and easily select TTCC resources from the creative library.