Guides

Practical guides to reorder planning, forecasting and purchasing, with worked examples.

• Ecommerce inventory managementHow ecommerce brands manage inventory across channels, warehouses, 3PLs and kits: avoid overselling, set reorder points, count stock and improve step by step.
• Ecommerce inventory softwareThe main types of ecommerce inventory software, what each does, what to look for and the questions to ask vendors before you commit.
• Inventory forecastingInventory forecasting estimates what each product will sell so you order the right amount. Inputs, a spreadsheet method, a worked example and accuracy checks.
• Inventory replenishmentInventory replenishment is deciding when and how much to reorder. Reorder point, periodic review, min/max and demand-driven methods with worked examples.
• Purchase order vs invoiceA purchase order is sent by the buyer before delivery, an invoice by the supplier after it. How they differ, and how matching them stops you overpaying.
• Shopify inventory managementWhat Shopify's built-in inventory does (locations, adjustments, counts, transfers, purchase orders), where it stops, and what changed now Stocky is gone.