The verdict in three sentences
Most stores in Accra spend their entire budget on acquisition and forget to bring back those who already bought. Yet retention costs about 5 times less than acquisition, and a loyal customer buys 2 to 3 times more over a year. The winning combination in 2026: segmented email + SMS + WhatsApp, each at the right moment in the customer lifecycle.
Cost and return per channel
Each channel has a very different unit cost and open rate. 2026 order of magnitude in Ghana.
| Channel | Cost per message | Open rate | Click rate | Estimated ROI |
|---|---|---|---|---|
| ~0 FCFA | 20-35% | 2-5% | 30-40x | |
| SMS | 25 FCFA | 90-98% | 8-15% | 10-20x |
| 15-40 FCFA | 75-90% | 15-30% | 20-35x | |
| Push notification (PWA) | ~0 FCFA | 5-12% | 3-8% | 15-25x |
Email is unbeatable on cost, SMS on open rate, WhatsApp on click rate: the strategy is to reserve the paid channel for high-value messages.
The sequences that pay off
Good retention relies on automated sequences triggered by behavior, not on random manual sends.
| Sequence | Trigger | Main channel | Estimated impact |
|---|---|---|---|
| Welcome | First sign-up | Email + WhatsApp | +10-15% first order |
| Abandoned cart | Unpaid cart (1h) | WhatsApp + SMS | Recovers 10-25% |
| Reorder / replenish | 30-45 days after purchase | SMS + email | +15-20% frequency |
| Reactivation | Inactive 90 days | Email + promo code | Wakes 5-12% |
| VIP / loyalty | Top 10% buyers | +25-30% LTV |
The abandoned cart sequence is almost always the most profitable: it targets buyers seconds away from paying.
Mini case study
Aminata runs an online delicatessen in Accra with 1,200 registered customers. She sends 1 replenishment SMS per month (25 FCFA x 1,200 = 30,000 FCFA) and an abandoned-cart WhatsApp follow-up (200 messages x 30 FCFA = 6,000 FCFA). Total cost: 36,000 FCFA/month. These sequences generate 55 additional orders at a 15,000 FCFA average basket, i.e. 825,000 FCFA in revenue for 36,000 FCFA spent: a 22x ROI, without a single extra franc of advertising.
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FAQ
How much does a marketing SMS really cost in Ghana?
About 25 FCFA per message in 2026 via a local aggregator. For 1,000 customers, a campaign costs 25,000 FCFA and shows a 90 to 98% open rate, unbeatable for urgent offers.
Email or WhatsApp to recover an abandoned cart?
WhatsApp converts better (15 to 30% clicks) but costs 15 to 40 FCFA. Combine them: WhatsApp within the hour, then a free email reminder at 24h. This recovers 10 to 25% of carts.
How often should you contact your customers?
Max 4 to 6 messages/month across all channels. Beyond that, the unsubscribe rate climbs. Prioritize relevance (segmentation) over frequency.
Do you need consent to send SMS?
Yes. Collect agreement at the time of order and always offer a way to opt out. It is a legal requirement and it protects your sender reputation.
What tool automates all this?
An e-commerce CRM connected to your store and an SMS/WhatsApp aggregator is enough. What matters is that sequences trigger on their own based on purchase behavior, without manual intervention.
Let's talk about your project. We set up your automated email, SMS and WhatsApp sequences to multiply your recurring sales. WhatsApp +221 77 596 93 33.
Mohamed Bah
Fondateur, Kolonell
Passionate about digital and entrepreneurship in Africa, Mohamed has been helping Sénégalese businesses with their digital transformation since 2020. Founder of Kolonell, he believes every SME deserves a professional and accessible online présence.
