The Challenge

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Sim Racing Machines and Sim Demon are two UK-based merchants specializing in high-performance sim racing products. With overlapping audiences and complementary product offerings, they saw a clear opportunity: feature select products from each other’s inventory to boost exposure and sales.

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But executing this vision came with logistical headaches. Without Synkro, they were stuck in a tedious loop of:

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• Manually duplicating product listings across both Shopify stores
• Constantly updating inventory levels by hand to prevent overselling
• Calculating profit shares manually each week—generating reports, estimating margins, and determining who owed what

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The manual process was time-consuming, error-prone, and simply not scalable.

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The Solution

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By implementing Synkro, both merchants transformed their workflow and unlocked seamless collaboration. Key benefits included:
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• Real-time inventory sync between the two stores to prevent overselling
• Effortless product sharing—adding a simple tag to a product automatically pushes it to the partner store
• Automated cost calculations for cross-store sales using Synkro’s flexible Price Rule system
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The result: products are kept up to date automatically, orders can flow freely between the two brands, and profit-sharing is now streamlined and transparent.

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How the Price Rule System Helped
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The highlight of this integration is Synkro’s dynamic pricing engine. Specifically, the cost price of each shared product is calculated using a custom formula designed to account for VAT, remove base costs, and split profits fairly:

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child_cost = (((parent_price * 0.8333) - parent_cost) / 2) + parent_cost

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This formula ensures that:
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• VAT (20%) is removed from the retail price
• The remaining profit margin is calculated and split 50/50
• The adjusted cost price is automatically exported in a weekly payout report
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Most importantly, this formula is fully customizable per product, giving both merchants full control over their profit-sharing agreements.

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The Outcome
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With Synkro in place, Sim Racing Machines and Sim Demon now run a fluid, scalable partnership with no manual overhead. Inventory discrepancies are a thing of the past, and profit sharing is handled with precision and transparency.

As a result, both merchants can focus on what they do best—bringing top-tier sim racing gear to an engaged and growing community—while Synkro handles the backend complexity.

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