Promotions That Grow Without Leaking

A promotion should build the business, not drain it. Here is how to design ones that do.

September 3, 2026 · 3 min read

Design for the goal

A promotion should start from a clear goal: win new customers, reward loyalty, move stock. Designing the discount, and its rules, around that goal is what keeps it building the business rather than just giving margin away.

Protect the intent

A promotion leaks when abuse redirects the discount away from its intent. Building in sensible protection, against stacking, leaks, and repeat abuse, keeps the discount reaching the people and purposes you meant.

Measure the real result

The redemption count is not the result. Measuring what a promotion actually did to your profit and your customer base, after abuse, tells you whether it grew the business or just leaked.

Refine over time

Each promotion teaches you something about how your discounts get used and abused. Feeding those lessons into the next one is how your promotions steadily get better at growing the business without leaking.

Key takeaways

Design each promotion around a clear goal
Protect the discount's intent from abuse
Measure real profit and customer impact, not redemptions
Refine future promotions with what you learn

Written by

Julien Jimenez

Julien Jimenez is an independent software builder based in Paris. He designs, ships, and operates focused SaaS products for small businesses and independent professionals. Read the full author page.