Does this sound familiar? A flood of new buyers during your promotion, but weeks later you hear… nothing. ‘Ghost-shoppers’ who never come back after one transaction. In this long-read (± 5 min), you’ll discover why that happens and what concrete steps you can take today to reduce churn and build loyal fans – without giving away your margin.

1. The pain point: extreme churn in retail and e-commerce

45 %
of retail and e-commerce brands report churn rates above 51 %

In other words: half of your new customers drop off shortly after their first purchase – resulting in lost revenue and growth potential. Source: LinkedIn Pulse

On top of that, acquiring a new customer is 5–25× more expensive than retaining an existing one. Every euro spent on acquisition could yield much more when invested in retention and repeat purchases. Source: Harvard Business Review

In e-commerce, the average repeat purchase rate is only 28.2 %. In other words: fewer than 3 in 10 shoppers ever buy again. Source: OpSend

Conclusion: churn is not just a marketing issue – it’s a direct financial threat.

2. What drives one-time buyers?

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Price seekers & promo hoppers

More and more consumers compare in real-time via comparison sites and social media. Once the discount disappears, so does the incentive to return.

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Lack of engagement

Many brands go silent after the first purchase. Without follow-up or a personal touch, the relationship remains fragile — and the customer quickly disappears.

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Friction in the customer journey

Slow checkouts, unclear return policies, or missing preferred payment options all increase the chance that a buyer won’t come back.

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Lack of data insight

Without first-party data, you don’t know who your one-time buyer really is — let alone how to retarget them effectively with relevant content or offers.

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3. Smart incentives without killing your margins

How do you bring back a price-sensitive, anonymous buyer? With controlled, data-driven campaigns:

Cashback campaign (up to 100%)

Why it works: Combines an irresistible benefit with a mandatory registration step — helping you collect contact and purchase data instantly.

Pro tip: Try “Try & review for free” instead of “Buy 1 get 1” to preserve perceived value.

Prize draw with unique QR codes

Why it works: Low cost per entry – high engagement. QR tracking links each entry to a specific promo, capturing location and product variant.

Pro tip: Print a dynamic QR on both packaging and receipt for maximum reach.

Light loyalty program

Why it works: Reduce barriers: let users collect points via codes inside or on products, linked to a mobile wallet.

Pro tip: Use micro-rewards (e.g. free sample after 3 purchases) to trigger quick repeat purchases.

Important: choose incentives that structurally generate first-party data. That’s the only way to automate personalized emails, product suggestions, or loyalty flows.

4. Ziva case: 100% cashback + QR = data goldmine

The fictional beverage brand Ziva launched a pan-EU “Taste the power of Ziva – 100% money back” campaign.

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Connect

Unique QR code on every can + social media posts.

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Convert

Customer filled out a form, uploaded receipt and opted in for marketing.

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Engage

Within 48h: cashback + personalized discount voucher for multipack.

76% form completion rate
31% repeat purchase within 6 weeks
Realtime CRM data for segmentation

This case shows how a well-designed QR-to-CRM funnel combines consumer engagement with data capture — exactly what a CRM Booster solution is made for.

QR code to demo page

Test the flow

5. Checklist: reduce churn today

  1. Scan your data gaps — Which touchpoints don’t capture email or purchase data?
  2. Choose a low-barrier incentive — Cashback, prize draw or loyalty points.
  3. Implement unique, traceable codes on pack, receipt, and social posts.
  4. Automate your follow-up — Send a thank-you email + relevant upsell within 72h.
  5. Measure & optimize — Track repeat purchases, NPS, and retention by cohort.

Pro tip: Tools like a CRM Booster centralize code validation, data collection, and email triggering — so your marketing team can focus on creative campaigns instead of spreadsheets.

Want to know more about our solutions? Get in touch with us

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Frequently asked questions about Customer Retention & Churn

Why do more than half of your customers not return after an initial purchase?
Many customers are promo-hoppers or do not experience a connection with the brand after purchase. In addition, user experience frictions and lack of first-party data make it difficult to retarget them.
What are the biggest causes of churn in e-commerce and retail?
Price-sensitive behaviour, lack of follow-up, friction during the buying process and insufficient customer data are the main causes of churn in these sectors.
What incentives are effective without wrecking your margin?
Cashback promotions, QR code win campaigns and low-threshold savings programmes are powerful incentives that generate repeat purchases as well as first-party data.
How does a sample action like Ziva's work?
Ziva used unique QR codes on packaging that led to a cashback form. After purchase, customers received a personalised discount voucher, which led to high engagement and repeat purchases.
What can you do today to reduce churn?
Scan your data gaps, choose a smart incentive, use traceable codes, automate your follow-up and measure your results by cohort.