A reorder point starts with how many usable empty AIO units your brand consumes during the current replenishment window. It then adds stock for named events such as higher use, a late shipment, or a receiving hold. Use your own sales and inventory records. Refresh the calculation whenever demand, hardware, packaging, order conditions, or timing changes.
Do not copy another brand’s reorder number or treat a supplier’s current order option as always available. The purpose of the calculation is to start the next order early enough for your actual process—not to predict the future perfectly.
Confirm the product and first run are stable
A reorder formula is useful only after the team has completed a meaningful sample and at least one small production cycle. Before using sell-through data, confirm that the exact hardware, oil, filling process, capping or sealing method, package, and release steps are stable enough to repeat.
If the product is still being changed, the next purchase may be another test rather than a normal reorder. A new model, variant, capacity, package, or control can change consumption and the time needed to turn empty hardware into sellable product.
Write the approved item at the top of the inventory sheet:
- supplier, product, model, and variant;
- current package configuration;
- latest tested oil and fill process;
- order quantity used for the current cycle;
- date the item was approved for that cycle;
- person responsible for inventory and reorder review.
This prevents numbers from two different hardware versions from being combined into one misleading average.
Count inventory by usable state
A single inventory total is not enough. A small brand needs to know where those units are and whether they can support the next production or sales requirement.
Keep at least these states separate:
Sellable finished units: filled, inspected, packaged, released, and available for sale under your process.
Usable empty hardware: received and accepted empty units available for the next fill run.
Work in progress: units already issued to filling, capping, inspection, packaging, or another production step.
In transit: units ordered and shipped but not yet received and accepted. Do not count these as usable on-hand inventory.
Committed units: finished or empty units already reserved for a customer, event, production plan, or another defined need.
Test, hold, damaged, or unresolved units: hardware removed from normal use until the team decides what to do.[1] These units should not quietly inflate available inventory.
For an empty-hardware reorder decision, start with usable empty hardware. Then subtract committed production needs and any units that are unavailable. Show work in progress and in-transit quantities on their own lines. Check their status before letting either number delay an order.
Calculate average use from your own records
Choose a recent period that represents the way the business is operating now. Count how many accepted empty units moved into real production during that period. If your process records are stronger at the finished-product level, reconcile finished releases with waste, holds, and work in progress so the hardware usage number remains honest.[1]
Average daily usage can be calculated as:
accepted empty hardware used during the period ÷ operating days in the period
Use operating days if fills occur on a defined schedule; use calendar days if that better matches how the team plans demand. State which one you chose. Do not mix the two between review cycles.
Avoid selecting only a busy week or only a slow week unless that period represents the demand you are planning for. If demand is changing, keep both the recent average and the earlier average visible. The difference is a reason to review the buffer, not a reason to hide inconvenient data.
Confirm the real replenishment window
Lead time is not just the carrier’s travel time. For a small cannabis brand, the useful replenishment window begins after the supplier has the confirmed product, order conditions, and required payment. It ends when the received hardware has been inspected and is ready for filling.
Build the window from stages you can confirm:
- internal approval and purchase-order preparation;
- supplier order confirmation and payment condition;
- production or allocation time, if applicable;
- dispatch and freight;
- receiving and inspection;
- filling, capping, rest, inspection, and packaging time needed before finished units are available.
Ask the supplier for current timing for the actual model, quantity, ship-from location, packaging, and order date. Separate an estimate from a commitment, and separate dispatch from delivery. Record the date of the answer because availability and timelines can change.
The step teams often miss is the time between delivery and sellable product. Hardware sitting at receiving does not cover demand until it has passed your acceptance steps and moved through filling and packaging.
Set a reorder point and a transparent buffer
A commonly used inventory formula is:
reorder point = average daily usage × replenishment days + safety stock
The QuickBooks reorder-point guide describes the same three components: average daily usage, average lead time, and safety stock. The formula is general; your inputs must come from your own operation.
Suppose a hypothetical brand uses 12 accepted empty units per operating day. Its confirmed replenishment window is 15 operating days, and its documented buffer is 60 units.[2] The example reorder point would be:
12 × 15 + 60 = 240 usable empty units
That number is only an illustration. It is not a recommendation for your brand or a promise about a supplier. Change any input and the result changes.
Choose the buffer by naming the event it covers: higher demand, supplier delay, freight variation, receiving holds, process loss, or a scheduled promotion. Do not select a percentage simply because another company uses it. Record who approved the buffer and when it will be reviewed.
Decide what triggers the purchase action
The trigger should use available usable inventory, not the total of every unit in the building and in transit.
A simple review line can be:
usable empty hardware − committed near-term production ≤ reorder point
When that condition is reached, the action is not “assume stock exists.” The action is to refresh the supplier facts, confirm the exact order path, and place or approve the order under current conditions.
Set a review cadence that matches consumption. A team using a small number of units may review weekly. A faster operation may need more frequent checks. The right cadence is the one that catches the trigger before the next scheduled order decision becomes urgent.
Also set an exception review. Recalculate sooner after a demand shift, late order, receiving hold, packaging change, planned promotion, or supplier change to the product or order terms.[1]
Reset the calculation after a meaningful change
Do not carry the old reorder point into a new configuration without checking it. Reset or re-test after:
- a product or version change;
- a different package or labeling workflow;
- a new order quantity or payment condition;
- a ship-from or freight change;
- a different filling or inspection process;
- a change in accepted yield or held units;
- a material change in sell-through.
Keep the old calculation for comparison, but date the new inputs. This gives the team a history of why the trigger moved instead of leaving an unexplained number in a spreadsheet.
Apply the number to the current buying path
Once your trigger is supported by current records, review the Briar sample, current 50-unit order option, and wholesale inquiry paths as they exist at the time of purchase. A 5-pack is a sample stage, not inventory planning for every business.
A 50-pack is a current order option. It does not promise constant availability or fit every demand level. Larger or custom needs require current inquiry and confirmation.
Recheck price, availability, packaging, shipping options, and timing before ordering. Order size does not prove zero leaks, zero clogs, a fixed delivery date, a particular customization outcome, or a lower total cost.
The useful reorder point is not a universal number. It is a dated decision built from the hardware you use and the units actually available.[1] Add the demand in your records, the current replenishment window, and a buffer your team can explain. Assign one person to refresh these inputs before every purchase approval.
References
- GreenDeagle editorial operating guidance, reviewed 2026-08-01. It supports the decision process described here, not a product-performance, compatibility, inventory, delivery, or supplier-performance claim. Current commercial context: Briar Glass AIO.
- QuickBooks, “What is Reorder Point?”, formula and components reviewed 2026-07-31.