Are you artificially lowering your store's profitability just to increase your conversion rate?

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Most e-commerce founders obsess over top-of-funnel conversion metrics or acquiring cheap email leads, but they are ignoring the single most important number: Customer Lifetime Profit (CLP). In this episode of Marketing Misfits, hosts Norm Farrar and Kevin King sit down with Matthew Barnes, an earthquake engineer turned e-commerce conversion scientist.

Matthew explains why traditional A/B testing and basic conversion rate optimization (CRO) are completely backwards. He breaks down how he built The Tool (Proteus Digital Lab) a highly advanced testing and intelligence platform that connects Shopify data, Meta ad touchpoints, and Klaviyo data to prove which customers actually generate profit and which ones you are acquiring at a loss. If you run an e-commerce brand and want to understand how to optimize your store like an engineer, do not miss this technical, deep-dive episode!

📌 Main Topics Covered In This Episode

Engineering Better Profit Margins: How Matthew took first-principle engineering tactics from his seismic background and applied them to e-commerce customer acquisition.

The Problem with Standard Conversion Rates: Why simply dividing revenue by marketing costs is a fundamentally flawed way to run a business.

Customer Lifetime Profit (CLP) Explained: The exact metrics you need to combine (returns, discounts, ad cost, repeat purchases) to find the actual profit an acquired customer generates over their lifetime.

The Dangers of Free Shipping Offers: A real-world case study on how a shoe brand lowered their return rate, increased repeat purchases, and boosted lifetime profit by removing their blanket free shipping offer.


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