1. Leverage the Search Query Report 2. Utilize Site Links and Ad Extensions 3. Test, Test, Test … and Test Some More 4. Track 5. Use the Dimensions Report 6. Analyze Impression Shares 7. Account for Negative Keywords 8. Master Match Types 9. Combine PPC With Organic Search Marketing 10. Optimize Your Landing Page
I would also add.... leverage all appropriate targeting methods such as remarketing and RLSA.... many still focus only on search and contextual targeting