Promo Rule Conflict Scanner: Hidden Discount Conflicts

Author: WebGoodPeople

In most online stores, discount and promo rules are rarely simple. Percentages, fixed amounts, promo codes, personal offers, conditions on the cart, brands, categories, user segments — all of it stacks on top of each other and, over time, turns into a complex system where mistakes become almost inevitable.

Promo Rule Conflict Scanner exists to find those mistakes automatically.

The problem with promo conflicts

In practice, a conflict rarely looks like a "critical error." It shows up as small but expensive failures:

  • a discount applies twice when it should be mutually exclusive;
  • a higher-priority promo gets overridden by a less favorable one;
  • a promo code works together with a personal discount when it wasn't meant to;
  • different rules interpret the same cart differently;
  • the price on the product page doesn't match the price in the cart or at checkout.

These cases are hard to catch with manual testing. They only surface under a specific combination of conditions.

How Promo Rule Conflict Scanner works

The tool analyzes the entire system of promo rules as one logical field:

  1. Rule scanning. It checks every active and conditionally active discount, promo, promo code, and bonus mechanic.
  2. Scenario modeling. The scanner runs virtual carts with different combinations of products, users, and conditions.
  3. Finding logical intersections. It surfaces:
    • competing rules,
    • duplicate conditions,
    • circular dependencies,
    • incorrect priorities.
  4. Quantifying potential losses. The tool shows not just the conflict itself but its impact: an inflated discount, lost margin, an unstable price.

What you get as output

  • a list of detected conflicts, each with the reason it occurs;
  • the scenarios that reproduce the error;
  • fix recommendations (change priority, conditions, or application logic);
  • more predictable and transparent pricing.

Who benefits most

  • online stores running a lot of promotions;
  • marketplaces and D2C projects;
  • projects on 1C-Bitrix, headless architectures, and custom e-commerce builds;
  • businesses where margin is sensitive to discount errors.

Why it matters for the business

Every unnoticed conflict is either a direct loss of money or a loss of customer trust. Promo Rule Conflict Scanner moves discount management out of "react to problems" mode and into control and prevention.

The result:

  • promotions work the way they were designed to;
  • marketing and development speak the same language;
  • the business gets stable, manageable pricing rules.
Promo Rule Conflict Scanner: Hidden Discount Conflicts — WebGoodPeople