This video features an in-depth explanation by Jayen Garcia on how to set up and run a TikTok advertising system from scratch in 2026. The content covers the entire process, including account registration, Shopify pixel integration, custom data column setup, campaign creation (including CBO budget optimization), ad group targeting strategies, creative uploads, and copywriting optimization. The instructor also provides an in-depth analysis of the practical application of key metrics (CTR, CPC, CPM, ROAS), teaching you how to evaluate ad performance through data during the testing phase, identify the break-even point, and offers practical advice on handling account bans, backing up ad accounts, and optimizing video hooks. The entire process is demonstrated with real interface operations, making it suitable for e-commerce sellers and advertising novices to quickly get started, avoid common pitfalls, and improve ad campaign efficiency and conversion rates.