This article breaks down the core PPC bidding models—CPC, CPM, and CPA—for gambling advertisers seeking clarity on budget control and ROI forecasting. Learn how each model influences campaign performance, traffic quality, and conversion efficiency. Perfect for advertisers struggling with rising CPAs, unpredictable spend, or inefficient bidding structures. Gain actionable insights that help optimize targeting, refine creatives, and align your bidding approach with market competition and intent-driven traffic sources.