Primedia Marketing developed a high-efficiency Google Ads strategy for Oxford Diecast that proved niche e-commerce can deliver extraordinary returns at minimal cost. Managing over 79 million impressions across dual account structures, we generated nearly 23,000 conversions and over £418,000 in tracked revenue — all while maintaining an average cost-per-click of just £0.10. Our approach focused on granular Shopping campaign segmentation, brand protection, and smart bidding strategies that consistently outperformed industry benchmarks. Peak monthly performance hit a remarkable 15.7x return on ad spend, demonstrating the power of precision e-commerce advertising at scale.