You approved VND 300 million for ads, and by month-end only 80 million had been spent? Advertising doesn't create searchers, and self-optimizing campaigns throttle themselves once they run out of buyers at the target efficiency. What the demand ceiling is, what forcing the full spend costs you, and how to raise the ceiling.
Your ads are running at ROAS 8, so why not scale the budget by 10x? Because advertising follows a saturation curve, not a straight line. The difference between average ROAS and marginal ROAS, how to set a stop threshold, and how to calculate it for your own shop.
Running ads, affiliates and livestreams, yet revenue isn't growing to match? The three-layer model (Foundation, Assets, Amplification) helps brand owners find their weakest layer before adding more budget.