{"id":192,"date":"2026-03-20T14:07:06","date_gmt":"2026-03-20T14:07:06","guid":{"rendered":"https:\/\/igfirst.com.ng\/resources\/why-spreadsheets-cause-inventory-leakage\/"},"modified":"2026-09-26T06:50:03","modified_gmt":"2026-09-26T06:50:03","slug":"why-spreadsheets-cause-inventory-leakage","status":"publish","type":"post","link":"https:\/\/igfirst.com.ng\/resources\/why-spreadsheets-cause-inventory-leakage\/","title":{"rendered":"When your inventory spreadsheet stops keeping up"},"content":{"rendered":"

Your inventory spreadsheet needs a rethink when ordinary sales, receipts and transfers keep leaving the stock record behind.<\/strong> There is no universal stock-value threshold at which a spreadsheet stops working. Look at the number of people, locations and handovers involved\u2014and how often someone must repair the record afterwards.<\/p>\n

A file can serve a small operation well. It may also remain useful for analysis after the business adopts a stock system. The problem begins when the spreadsheet is expected to coordinate daily work it only hears about hours or days later.<\/p>\n

You recognise the feeling: a customer asks for availability, the sheet says yes, and somebody still has to call the shop. You have a number. You do not yet have an answer you can confidently use.<\/p>\n

Why the same file becomes harder to trust<\/h2>\n

The business changes around it. More people enter figures. Goods move between rooms or branches. Products are sold in cartons, packs and pieces. A return comes in while a new delivery is being checked. The person maintaining the sheet is no longer present for every event.<\/p>\n

Spreadsheets can have validation, protected cells and version history, depending on the tool and setup. Those controls are useful. Their practical limits depend on how your file is designed and how consistently staff use it. A carefully managed file should not be judged by the failures of an unmanaged one.<\/p>\n

Even a good sheet struggles if the team records important movements somewhere else and updates it later. The issue is the distance between physical work and the usable record. That delay makes the next person check again before acting.<\/p>\n

Watch for these signs in your own operation<\/h2>\n

Availability depends on who you ask. Stock names differ across files. Transfers have a sending note but no confirmed receipt. Yesterday\u2019s sales arrive as a total without the detail needed to explain a particular item. A colleague changes a balance and cannot show the reason.<\/p>\n

Also notice how much work belongs to one person. If a single employee knows which formula is broken, where the latest copy lives and what each informal note means, the file may be masking a dependency. Their absence exposes the gap even if they have been doing an excellent job.<\/p>\n

Do not judge the situation by the number of rows alone. A larger catalogue with simple movements can be easier to manage than a small catalogue split across units, branches and several sales channels.<\/p>\n

\"The<\/picture>
No universal stock-value threshold determines when to change systems.<\/figcaption><\/figure>\n

A worked example: the transfer that both branches misunderstand<\/h2>\n

This is fictional. A warehouse starts with 72 packs of an item. It sends 12 packs to a shop. The warehouse updates its sheet immediately, leaving 60. The shop receives the goods but does not update its own record before selling four packs.<\/p>\n

An owner looking at the files sees the warehouse figure and a shop figure that excludes the receipt. Calling the shop reveals eight packs physically present. The goods are explainable, but the owner needed a conversation to complete the information.<\/p>\n

The better routine links the transfer, dispatch, receipt and subsequent sale. The receiving team confirms what arrived, and any difference stays open. A shared operational record can support that routine; a new system still requires staff to record the actual events correctly.<\/p>\n

\"One<\/picture>
Fictional example: warehouse holds 60 packs and the shop holds 8 after the sale.<\/figcaption><\/figure>\n

Improve the current file before planning a move<\/h2>\n

Agree one active version, clear product names and a consistent base unit. Separate locations rather than combining all stock into an unexplained total. Define when receipts, sales and transfers are entered. Make adjustment reasons visible.<\/p>\n

Set a cut-off for reconciliation and a person responsible for reviewing discrepancies. Restrict editing appropriately using the controls your spreadsheet tool provides. Keep backups and make it clear how staff report an error without silently replacing a figure.<\/p>\n

These improvements help immediately. They also reveal which problems a future system must solve. If your process remains workable after tightening the routine, you may be able to hold your current setup for longer. If the same handover gaps persist, you have a clearer basis for change.<\/p>\n

Decide what you need from a stock system<\/h2>\n

Build the requirement from a working day. How are goods received? Who records sales? How do you move stock between locations? Who can change a price or approve an adjustment? How do website orders affect what staff can promise at the counter?<\/p>\n

Ask to see those activities together in a demonstration. Include an incorrect quantity, a return and a transfer that arrives short. Check that your team can understand what happened and what needs a decision. A colourful total on a dashboard is not enough if the underlying movement remains unclear.<\/p>\n

For inventory-heavy businesses, IGFirstERP connects the stock and sales record with locations, staff actions and the wider operating work. Consider it when that connection addresses a demonstrated need. Choose on the work your team must complete, rather than a claim that every spreadsheet user should immediately change tools.<\/p>\n

Prepare the records you will bring across<\/h2>\n

Clean duplicate product names and confirm variations and units. Identify the actual locations where goods sit. Review suppliers, current balances and the opening stock method with the implementation team. Keep unresolved differences visible instead of importing them as accepted truth.<\/p>\n

Plan a physical count with a defined cut-off. Decide how trading during the transition will be recorded and reconciled. Name the person who approves opening figures and the people trained to receive, sell and transfer goods after the move.<\/p>\n

Keep the previous records available for reference under your business\u2019s retention policy. Moving to another system does not make the earlier period disappear. You need a clear point where the new routine starts and a way to explain the opening figures.<\/p>\n

Start with a manageable part of the business<\/h2>\n

A planned first location or agreed group of workflows gives the team space to learn. Practise a receipt, sale, return and transfer using safe data before normal work begins. Check that staff can identify the right product and unit without guessing.<\/p>\n

Review the first real transactions promptly. If quantities disagree, investigate the cause while the events are fresh. Resist maintaining two competing records indefinitely: staff need an agreed system of record and a clear transition plan, not another reconciliation job forever.<\/p>\n

Spreadsheets can still support planning and analysis. Use exports to examine trends or build a budget when useful. Keep daily movement decisions anchored to the agreed operating record so an analysis file does not quietly become a second, conflicting stock balance.<\/p>\n

Judge progress by decisions your team can finish<\/h2>\n

After improving the routine or moving systems, test the same availability and transfer questions that caused trouble before. Another trained person should be able to find the relevant figure, explain its basis and identify any outstanding check. That is a more useful sign of improvement than having replaced the file.<\/p>\n

Your readiness checklist<\/h2>\n