Profit Velocity. It’s the missing metric in most ecommerce businesses — and the one that unlocks real, scalable growth. In this episode, Mark and Ian unpack: •Why spending more can actually reduce your risk,•The surprising trade-off between ROAS and growth rate,•How to find your optimal spend level based on contribution margin,•Why most brands ignore customer lifetime value decay curves,•How a 5% margin shift or small upsell can double your growth speed, 📈 If you're serious about building a 7- or 8-figure brand, this episode gives you the mental model and tools to grow smarter. 💡 Includes live walkthroughs from their ecommerce number sheet, retention strategies, and practical tweaks you can make today. P.S. Whenever you’re ready... here are 3 ways Ian and I can help you grow your ecommerce business:     1. Talk to us. Book a call with us and let's talk about accelerating your growth - https://go.hammersleys.co.uk/scheduleuk-ant/   2. Grab a copy of our book - https://book.hammersleybrothers.com/ 3. Join the Ultimate Guide To Ecommerce Facebook group and connect with e-commerce owners who are scaling too - https://www.facebook.com/groups/924567391291786