This document outlines 15 growth marketing tactics for doubling e-commerce profits. It discusses tactics like improving product storytelling and creatives, aligning products and content, using paid channels to grow organic ones, lead generation before direct sales, nurturing subscribers with automations, improving conversion tracking, optimizing retargeting, and introducing A/B testing. The overall strategies covered include acquiring new customers, activating and retaining subscribers, generating referrals, and increasing revenue. Implementing these tactics is presented as a way for e-commerce businesses to convert 1000 Euros in ad spend into 5000 Euros in revenue.