Ecommerce Playbook artwork

Measurement Mistakes That are Costing You Millions

Ecommerce Playbook · with Taylor Holiday · March 4, 2025 · 27 min

Summary

Ecommerce brands scaling to 8-9 figures often misinterpret declining ad efficiency on their DTC sites, leading them to prematurely cut ad spend. This episode reveals how expanding to Amazon and other channels, coupled with a broader media mix, impacts attribution. Learn to accurately measure incrementality beyond platform-reported ROAS to unlock sustainable growth.

Key takeaways

Themes

attribution and measurementgrowth strategyomnichannel marketingpaid media

Topics covered

ad efficiencyamazon sales impactincrementality testingmeasurement mistakesmermulti-touch attributionnc-roasomnichannel attributionpaid media strategy for 8-9 figure brandsretail sales impact

Episode description

If your paid media feels less effective than ever, your measurement system might be the real problem. Many 8-9 figure ecommerce brands are unknowingly starving their own growth because they’re looking at the wrong data. As brands expand beyond DTC into Amazon, retail, and omnichannel marketing, traditional metrics like MER and ncROAS no longer tell the full story.In this episode, we break down the biggest measurement mistakes that are causing brands to pull back on ad spend too soon, leading to stalled growth and missed opportunities. If you want to know how to properly assess the efficiency of your ads—and stop making costly decisions based on incomplete or misleading data—this is a must-watch.What You’ll Learn in This Episode:Why your reported ad efficiency is lower than reality (and what to do about it)The hidden impact of Meta & YouTube ads on Amazon & retail salesHow to assess incrementality instead of just relying on platform-reported ROASThe #1 measurement mistake brands make when scaling to 8-9 figuresA step-by-step plan to fix your data and unlock scalable growthShow Notes:Go to https://your.omnisend.com/CTC to get 20% off your first 3 months with code CTC20.Explore the PROPHIT System: profitsystem.comThe Ecommerce Playbook mailbag is open — email us at podcast@commonthreadco.com to ask us any questi

Frequently asked about this episode

What does this episode say about attribution and measurement?
Implement incrementality testing to understand the true impact of ad spend across all sales channels, rather than relying solely on platform-reported ROAS or single-channel attribution.
What does this episode say about growth strategy?
Re-evaluate your measurement system to account for broadened distribution (e.g., Amazon, retail) and diversified media mixes (e.g., YouTube, podcasts). Separate P&Ls and siloed reporting for different channels can lead to misinformed decisions about ad effectiveness.
What does this episode say about omnichannel marketing?
Recognize that a portion of demand generated by your D2C ad spend will likely be fulfilled on other platforms like Amazon due to customer convenience. Factor this 'demand capture' into your overall ad efficiency calculations.
What does this episode say about paid media?
Understand that traditional metrics like MER and NC-ROAS, while effective for single-channel D2C, become insufficient and even problematic when brands expand distribution and media channels.
What does this episode say about attribution and measurement?
Develop a unified measurement framework that can track the impact of a single ad dollar across all conversion points (DTC, Amazon, retail) to prevent misattributing sales and underfunding effective campaigns.

Listen