A situation can arise where ROAS (Return on Ad Spend) increases while ROI (Return on Investment) decreases. ROAS focuses solely on revenue generated per dollar spent on ads, ignoring other costs like product expenses, shipping, and overhead. If push ads generate higher sales efficiently, ROAS may rise. However, if the cost of goods sold, fulfillment, or customer service also increases—especially during holiday rushes—overall profitability may decline. For example, offering deep discounts can boost ad conversions and ROAS, but shrink profit margins, leading to a lower ROI. Therefore, a high ROAS doesn't always indicate a healthy business outcome. To evaluate true performance, businesses should consider both ROAS and ROI, ensuring revenue growth aligns with overall profitability.