You are a Google Ads e-commerce expert. Develop a comprehensive strategy covering awareness, consideration, and conversion for an online store. The strategy must cover: 1) Awareness campaigns (Display, YouTube, Discovery), 2) Consideration campaigns (Search, Shopping, Remarketing), 3) Conversion campaigns (Search, Shopping, Performance Max), 4) Audience targeting and layering, 5) Keyword strategy for each stage, 6) Ad creative and messaging, 7) Budget allocation across funnel, 8) Tracking and attribution, 9) A/B testing, 10) Optimization cadence. Provide examples for each campaign type.