# Drip: Harry's marketing case study - Canonical HTML: https://growth.iangoh.com/sources/drip-harry-s-marketing-case-study-drip-com/ - Original source: https://www.drip.com/blog/harrys-marketing - Domain: drip.com - Latest check: 2026-06-07 - Channels: DTC, Prelaunch, Referral ## Cited GrowthDex tactics - [Harry’s tiered product rewards prelaunch](/growth-ideas/harrys-tiered-product-rewards-prelaunch/) - Use tiered product rewards before launch so every referral milestone feels like progress toward owning the product. ## Related reading - [GrowthDex Blog](/blog/) - [All growth ideas](/growth-ideas/index.md)