Guide
Launching a loyalty program doesn’t mean giving away your margins. A well-calibrated program can bring customers in more often, get them to spend more per visit, or both.
Yet many independent business owners still set their thresholds by guesswork. The result is a rewards scale that’s either so generous it eats into profits, or so complicated it puts customers off.
Here is the complete method for designing a loyalty program that is attractive, motivating, and quickly profitable for your shop.
A good starting point is to compare the real cost of the reward with the revenue needed to earn it, then adjust the threshold to your margin.
Never work out a reward’s profitability from the price on the menu or in the shop window. Use its raw cost of materials instead.
Take a restaurant that gives away a dessert listed at €6, with ingredients costing €1.20, after 10 meals at €15 (€150 spent):
discount (€6 / €150)
of margin given up (€1.20 / €150)
That’s the secret of a rewards scale that works: maximize the value the customer perceives while keeping the margin you actually give up as low as possible.
The right model depends directly on how often customers visit and on the average spend per visit at your location:
Here are three examples to help you calibrate your thresholds:
| Type of business | Average basket | Program rule | Revenue before the reward | Reward given | Real cost of materials | Real cost rate |
|---|---|---|---|---|---|---|
| Coffee shop | €5.50 | Buy 9 coffees, get the 10th free | €49.50 | 1 hot drink (€3.80) | €0.45 | 0.9% |
| Lunch restaurant | €14 | Buy 10 lunch menus, get 1 free | €140 | 1 full lunch combo (€14) | €3.80 | 2.7% |
| Hair salon | €45 | €1 = 1 pt (300 points = 1 free treatment) | €300 | 1 deep in-salon treatment (€25) | €2.50 (product) | 0.8% |
Fictional examples: adapt them to your purchase costs, your margin, and how often your customers visit.
For a program to run at full speed, the financial mechanics need to be backed by proven behavioral principles.
A famous university experiment compared the engagement of two groups of customers. One group received a card requiring 8 stamps to earn a reward. The other received a 10-stamp card with 2 stamps already filled in at sign-up. The effort was mathematically identical (8 purchases required in both cases), yet customers with the pre-credited card were nearly twice as likely to complete their card (34% vs 19%).
Nunes & Drèze studyAlways give 1 or 2 welcome points as soon as the card is added to the phone. When customers feel they’ve already started the journey, you reduce early drop-off.
Giving a physical product (a drink, an accessory, a dessert) leaves a positive emotional trace that’s far more memorable than an abstract −10% off the receipt.
Requiring 20 visits before the first gift. The customer loses hope and doesn’t even bother to show their card anymore.
Taking 15% off everything in the store cuts directly into your net margin on items with a high purchase cost.
Recording visits without ever re-engaging inactive customers with a push notification freezes your sales potential.
By type of business
The three worked examples above are assumptions. These business-type pages detail the counter and the threshold that match real visit frequency:
FAQ
Between 8 and 10 stamps. Below 6, the program becomes too expensive for the business owner; beyond 12, the reward feels too far away to motivate regular repeat purchases.
For a local business, allow a comfortable validity period (for example, 12 months without a visit). Expiry that’s too short (for example, 3 months) frustrates customers who come back regularly but only now and then.
Offering a product or a service is almost always the better deal. The customer sees the full retail value, while your business only covers the raw cost of materials.
Cartia
Set up a points or stamp program, generate your QR code, and offer a card that lives in Apple Wallet or Google Wallet.
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Free for up to 50 customers, no credit card required.