How to Set Up a Purchase Order System That Scales

Most small e-commerce businesses manage purchase orders through email and spreadsheets until the volume makes that unsustainable — by then they've experienced the consequences.

What a PO System Needs to Do

A functional PO system creates and sends POs, tracks status of open POs, matches received inventory to open POs for accuracy verification, and posts liability to accounts payable when goods are received.

Three-Way Match for Financial Accuracy

Compare the PO (what you ordered), the receiving report (what arrived), and the supplier invoice (what they're billing for) before payment is approved. This prevents most purchasing-related financial errors.

Standardize Your PO Format

Every PO should include: PO number, issue date, required delivery date, line items with description, quantity, and agreed unit cost, shipping terms, and payment terms.

The fix: Create a standardized PO template in Excel or Google Sheets. Implement a process where every supplier order generates a PO with a unique number. Track open PO status in one place. These three steps can be implemented this week.