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Purchases

Purchases record material lots coming into your workshop from suppliers. Find them under Purchases.

Purchase lifecycle​

A purchase moves through three statuses:

  1. Draft — being prepared, not yet committed
  2. Ordered — sent to the supplier, awaiting delivery
  3. Delivered — stock enters the system only at this point

Stock and the material's lot table are only updated once a purchase is marked Delivered. Deleting a delivered purchase reverses the stock it added.

What's on a purchase​

  • Material and receiving warehouse
  • Supplier (from your dictionary of suppliers)
  • Quantity and total cost for the whole lot (unit cost is derived from these)
  • Expected delivery date and, once delivered, an optional lot expiry date — used for dashboard expiry warnings
  • Receipts — attach scanned invoices or delivery notes directly to the purchase, with their own metadata (receipt number, date, supplier, amount, note)

Why this matters for costing​

Every delivered purchase creates a new cost lot at the price you paid. Material unit cost is a rolling calculation across lots, and lots are consumed FIFO — see Materials. Getting purchase costs right here is what keeps BOM costing and margins accurate downstream.