Stock problems come in two forms, and both cost money. Overselling means taking orders you cannot fulfil, which damages your standing. Dead inventory means capital sitting on a shelf that could have bought something that sells. Small vendors usually suffer from both simultaneously.
Why overselling is the more urgent problem
Dead stock is money you cannot use yet. Overselling is money plus reputation, and reputation is much harder to rebuild.
When a buyer orders something you do not have, your options are all bad: cancel and refund, substitute something else, or delay while you source it. Each generates a poor experience, and on a marketplace that becomes public feedback other buyers read.
So the first priority is accurate stock counts, not optimal stock levels.
Keeping counts accurate
Update immediately, not later. The gap between a sale and a stock adjustment is where overselling happens. Build the habit of adjusting as you pack, not at the end of the day.
Count physically on a schedule. System counts drift from reality through breakage, samples, miscounts and returns. A weekly count on fast movers and a monthly count on everything catches drift before it causes a failure.
Reconcile returns explicitly. A returned item is either back in sellable stock or it is not. Items that come back and are never formally reprocessed are a common source of phantom inventory.
Separate physical areas. Keep sellable stock, items awaiting dispatch, and returns awaiting inspection physically apart. Mixing them guarantees miscounts.
Set buffers on fast movers
For products that sell quickly, hold back a small buffer rather than listing every unit. If you have twenty units, list eighteen. The buffer absorbs counting errors and breakage without causing a cancellation.
The faster a product sells, the larger the proportional buffer should be, because there is less time to notice a discrepancy before someone orders.
Knowing when to reorder
Two numbers drive this: how fast a product sells, and how long a supplier takes to deliver.
If you sell roughly two units a day and your supplier takes a week, you need fourteen units to cover the lead time, plus a margin for variation. Reorder when you reach that level, not when you run out.
Track lead times honestly rather than optimistically. A supplier who usually takes a week but sometimes takes three weeks requires planning around the longer figure for anything important.
Write reorder points down per product. Holding them in your head works until you are busy, which is precisely when it matters.
Identifying dead inventory
Dead stock is easy to ignore because it is not actively causing problems. It is simply capital you cannot spend.
Review your catalogue on a schedule and flag anything that has not sold in a defined period. Be strict about the period; a generous definition lets slow stock accumulate indefinitely.
For each flagged item, decide deliberately: is it slow because it is priced wrong, described badly, photographed poorly, or genuinely not wanted?
The first three are fixable. Try a better listing before discounting, because a product that is invisible is not the same as a product nobody wants.
Clearing what genuinely will not sell
Once you are satisfied an item is not wanted, clear it rather than holding out for full price.
Discount it meaningfully. A small reduction on stock that has not moved for months rarely changes anything.
Bundle it with something popular so it leaves alongside a product people are already buying.
Accept the loss and move on. The capital released buys stock that turns over, which earns more than the difference you were holding out for. Vendors who refuse to take a small loss often end up taking a larger one later.
The record that makes this manageable
You do not need software. A simple sheet with one row per product covers it:
- Product and variant
- Current quantity
- Unit cost
- Supplier and typical lead time
- Reorder point
- Date last sold
- Date last counted
Updated consistently, this single sheet prevents most overselling and makes dead stock visible immediately. Its value comes entirely from being current, so choose a format you will actually maintain.
Handling variants carefully
Products with sizes, colours or configurations are where stock control most often breaks down. A listing showing generic availability while specific variants are out of stock produces cancellations.
Track each variant separately and list availability per variant. If your system cannot do that reliably, it is better to list only the variants you can confirm than to list all and disappoint.
Preparing for busy periods
Demand rises around Christmas, Easter and back-to-school. Supplier lead times also lengthen at exactly those moments, because everyone is ordering.
Order earlier than feels necessary for seasonal stock, and be conservative about what you promise on delivery timing during peaks.
Decide in advance what you will do if a popular line sells out mid-season. Having an answer ready is better than improvising while orders arrive.
The habit that matters most
Stock control is not a system you install once; it is a routine you keep. Adjust counts as you pack, count physically on a schedule, reconcile returns properly, and review slow lines regularly.
Vendors who do these four things rarely oversell and rarely accumulate dead stock. Vendors who intend to do them and do not are the ones cancelling orders during their busiest week.
Review your stock levels and reorder points on your Endinov storefront before your next busy period.
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