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Building Product Simulators to Support SKU Planning

By Glazix | May 29, 2025

Want to know what adding 200 new SKUs will do to your warehouse? Simulate it before it costs you.

SKU proliferation is a silent killer in distribution. For suppliers in the glass, ceramic, and refractory verticals, the desire to meet every customer need often results in overstuffed catalogs and bloated inventory profiles. That’s where product simulation comes in—a critical tool for SKU planning that allows you to model the financial, operational, and logistical impact of adding or retiring items.

Product simulators can be as simple as spreadsheet models or as advanced as integrated ERP modules with predictive analytics. But the goal is the same: forecast how SKU decisions affect warehouse turns, vendor spend, lead times, and order fill rates—before committing inventory dollars.

Let’s break down a practical use case. A ceramic distributor wants to add a new line of kiln furniture in multiple thicknesses and diameters. Using a product simulator, they can input key variables:

Expected monthly demand by customer segment

Minimum order quantities from the manufacturer

Procurement lead times

Storage space per SKU

Expected margin contribution

The simulator shows that adding all variants at once would tie up $180,000 in working capital and occupy 13% more rack space. However, launching a smaller set of SKUs (covering 70% of anticipated demand) reduces the investment to $62,000 and uses only 4% of space. Suddenly, the path forward becomes clearer.

More advanced simulators integrate with sales history and customer order behavior. For example, a glass distributor could simulate how removing three types of acid-etched panels will impact their top 20 clients based on actual purchase data. Will 85% of demand still be met with alternatives? Can clients shift to other stocked finishes? The model answers those questions—saving you from reactive customer complaints later.

Here are the core elements every SKU planning simulator should include:

Demand Forecasting Engine

Pulls from historical orders, industry seasonality, and client forecasts.

Cost and Margin Modeling

Includes landed cost, expected selling price, storage cost per month, and net margin.

Operational Load Estimator

Predicts impact on pick/pack cycles, storage zones, and replenishment frequency.

Service Level Impact Analysis

Simulates how SKU changes affect fill rate and order completeness metrics.

Exit Strategy Tagging

Assigns retirement triggers based on movement velocity or customer demand lapses.

Simulation also works wonders for supplier consolidation efforts. If you’re considering switching to a new refractory supplier with broader line coverage, simulate how that change affects your inbound freight costs, MOQ requirements, and SKU rationalization opportunity. Often, a well-modeled switch leads to better margins and a tighter product offering.

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For glass, ceramic, and refractory distributors, product simulators are no longer optional. They’re the bridge between SKU ambition and SKU discipline. Before adding or cutting product lines, simulate the consequences—on inventory, customers, and operations. The best distributors aren’t the ones with the most SKUs; they’re the ones who planned every SKU like it mattered. Because it does.


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