The verdict in three sentences
A single flat shipping fee is a double mistake: it over-charges the nearby customer who abandons, and under-charges the far zone where you lose money, with logistics margin swinging from -40 % to +25 % by destination. An engine that computes by zone + weight + distance + mode (home or pickup) shows the right price in real time at checkout. The module is built for 350,000 to 800,000 FCFA and pays back on saved baskets and non-loss-making deliveries.
Why a flat rate destroys margin
A 2 kg parcel delivered at 3 km does not cost the same as at 30 km. Charging 2,000 FCFA everywhere gives away the far zone and taxes the city center. Result: the center customer finds delivery expensive and abandons, the outskirts customer costs more than they bring. The multi-zone engine aligns the shown price with real cost, with a free-delivery threshold calibrated to push the basket.
| Zone | Distance | Real rider cost | Advised customer rate | Margin |
|---|---|---|---|---|
| Center (zone 1) | 0-5 km | 900 FCFA | 1,500 FCFA | +40 % |
| Outskirts (zone 2) | 5-15 km | 1,600 FCFA | 2,000 FCFA | +20 % |
| Far suburbs (zone 3) | 15-30 km | 2,800 FCFA | 3,000 FCFA | +7 % |
| Out of town (zone 4) | 30 km+ | 4,500 FCFA | pickup advised | variable |
| Pickup point | all | 600 FCFA | 800 FCFA | +33 % |
Weight, threshold and pickup as levers
The engine combines three variables. Volumetric weight avoids under-charging a light but bulky parcel. The free threshold (e.g. free delivery above 35,000 FCFA) raises the average basket. The pickup point offers a cheaper option that also cuts delivery failure.
| Lever | Effect on margin | Effect on conversion |
|---|---|---|
| Rate by zone | +15 to +25 % | neutralizes center-city flight |
| Volumetric weight | avoids -20 % on big parcels | transparent |
| Free-delivery threshold | slight cost | +12 to +18 % average basket |
| Pickup point option | +33 % vs home | +8 to +12 % (low price) |
| Estimate before cart | none | -15 % checkout abandonment |
Mini case study
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Brian sells home appliances in Nairobi, 500 orders/month, 45,000 FCFA average basket. With a flat 2,000 FCFA rate he loses about 800 FCFA on the 30 % of orders in zone 3-4, i.e. 120,000 FCFA/month of negative logistics margin, and sees 15 % abandonment in the center over a fee judged expensive. The multi-zone engine removes the loss and recovers some abandonment via a free threshold: estimated gain around 200,000 FCFA/month. A 650,000 FCFA module pays back in under 4 months.
FAQ
Isn't a flat rate simpler for the customer? Simple but unfair: it scares off the nearby customer and loses money on the far one. A multi-zone engine stays readable if you show 3 to 4 clear zones, not 15.
How do I handle volumetric weight? The engine takes the max of real weight and volumetric weight (dimensions/factor). A light but bulky parcel is thus charged at its true transport cost.
Is the free-delivery threshold profitable? Yes if set above the average basket: it pushes the customer to add an item and raises the basket by 12 to 18 %, absorbing the free cost.
How much does this multi-zone engine cost? Budget 350,000 to 800,000 FCFA depending on the number of zones, carrier integration and real-time distance calculation via a mapping API.
Should I show fees before the cart? Ideally yes: an estimator on the product page cuts checkout abandonment by around 15 %, because the customer gets no nasty surprise at the last step.
Let's talk about your project. We model your zones, real costs and free threshold, then wire the multi-zone engine. 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.
