Core Insights - Facebook advertising costs are rising in a competitive digital marketing environment, but companies can still achieve cost reduction and efficiency through scientific strategies and tools [2][5] - The article consolidates 20 practical tips for building an efficient advertising system, focusing on precise targeting, content optimization, technical investment, data-driven decision-making, account management, long-term optimization, and advanced techniques [2][5] Group 1: Precise Targeting - Layered targeting method involves segmenting the audience into 3-5 levels (e.g., age, interests, behaviors) and testing ad materials, resulting in a 37% reduction in cost per click (CPC) for a beauty brand [2] - Excluding converted users by creating custom audiences can enhance return on investment (ROI) by 22% for e-commerce platforms [2] - Optimizing for device targeting, as mobile ads have a 48% higher click-through rate compared to PC ads, suggests creating separate ad groups for mobile [2] Group 2: Content Optimization - A video-first strategy indicates that 15-second short videos have a 28% higher conversion rate than image ads, emphasizing core product selling points [2] - Dynamic material rotation every three days keeps ads fresh and prevents user fatigue [2] - Analyzing user activity peaks through the ad manager to concentrate budgets during high conversion times, typically between 8 PM and 10 PM [2] Group 3: Technical Investment - New accounts should set daily budget caps to control trial costs, while established accounts can use dynamic budgeting based on conversion performance [4] - Choosing "lowest cost" bidding during the conversion phase helps quickly accumulate data, while switching to "target cost" bidding during the stabilization phase locks in long-term ROI [4] - Prioritizing ad placements on Instagram feeds and Facebook right column ads, which have an average cost per thousand impressions (CPM) of $1.2 [4] Group 4: Data-Driven Decision Making - A/B testing should focus on one variable at a time, ensuring a sample size of 300 conversions before analyzing results [4] - Monitoring ad frequency is crucial, as a frequency exceeding three times can lead to a 19% drop in click-through rate (CTR), necessitating adjustments [4] - Utilizing Facebook pixel for cross-device tracking provides a complete view of user journeys from browsing to conversion [4] Group 5: Account Management - Combining new and old accounts can be beneficial, as new accounts typically have a 15-20% lower CPM in the first month [4] - Maintaining a healthy account by posting 3-5 organic posts weekly can indirectly lower advertising costs [4] - Using the Bit Finger Browser to create isolated environments for each account minimizes the risk of account association [3][4] Group 6: Long-Term Optimization - Regularly reviewing key metrics such as CPM, CTR, and return on ad spend (ROAS) every two weeks helps eliminate ineffective ads [4] - Observing data fluctuations during the learning phase of new ad groups is normal, requiring at least 50 conversions for effective evaluation [4] - Expanding high-value audiences through "lookalike audiences" balances precision and reach [4] Group 7: Advanced Techniques - Dynamic ad retargeting for users who browsed but did not purchase can increase conversion rates by over 40% [4] - Monitoring competitor ads through third-party tools can provide insights into successful strategies, including copy structure and call-to-action design [4]