A restaurant can buy quality wines and still fail to align its purchases with demand. When there is not enough data to make decisions, it is worth reviewing the capital tied up in the cellar, its margins and its stock turnover.
This article is not about tasting better. It is about buying more intelligently. Wine quality matters, but so does the decision-making process behind it.
The 7 signs that your purchasing process is failing
Use these signs as questions for review, not as a universal diagnosis or a substitute for a professional review when one is needed.
1. More than 20% of your cellar has gone more than 90 days without a sale
The 20% and 90 days are indicative review thresholds, not rules that apply to every wine list: some wines have a cellaring role or seasonal demand. Calculate the capital tied up in unmoving stock as units in stock × unit cost. Fictional example: 20 wine lines with 2 bottles each at 9€ represent 360€ tied up at that moment. This is not a 360€ loss or monthly cost.
2. You do not know how much you pay on average per active versus inactive wine line
If you do not measure, you do not manage. Compare both groups using your own data; do not assume that inactive wines always cost more or that a cost difference alone explains their turnover.
3. You replenish out of habit
You order the same thing every month without reviewing what has actually sold. The order becomes a photocopy of the previous one, not a business decision.
4. Your distributor chooses for you
You accept the sales representative's recommendations without checking them against actual demand data for your venue. The supplier's advice can be useful, but you should compare it with your needs, purchasing terms and stock on hand.
5. You do not compare prices across suppliers
Compare equivalent wines, vintages, formats, transport, discounts and payment terms before concluding that an offer is better. There is no guaranteed saving percentage; asking questions and comparing terms may be enough without changing supplier.
6. You add wines on impulse
A tasting, a visit from the sales representative, a colleague's recommendation. That is how wines enter the list without an assessment of whether they fit its structure or your price range.
7. You do not have a monthly purchasing budget
You buy "what you need" without a limit. That is not management: it is reactive spending.
If you recognise several signs, prioritise a review using your own data. They are not a validated scale and cannot, on their own, quantify possible savings.
The real cost of buying without data
| Indicator | Without control | With data |
|---|---|---|
| Dead stock | Invisible until the annual stocktake | Weekly review possible with up-to-date records |
| Replenishment decision | Based on supplier availability | Based on each wine's actual performance |
| Price comparison | Not done | Documented comparison of equivalent offers |
| Tied-up capital | Discovered late | Tracking according to data frequency and quality |
| Adding new wines | On impulse or from a catalogue | Through analysis of gaps in the wine list |
| Opportunity cost | Not measured | Can be estimated per wine with explicit assumptions |
The trap of "good opportunities"
One of the biggest silent destroyers of margin is the "irresistible opportunity": a distributor offers a fantastic wine at an exceptional price. You buy it. But that wine does not fit your list, your customers do not know it, your team does not know how to recommend it, and it takes 6 months to sell.
There is no good buying opportunity if there is no actual demand at your venue. The lowest price in the world is worthless if the bottle stays on the shelf.
5 questions to audit your purchasing process
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Do you have documented criteria for adding new wines? "I liked it at a tasting" does not count. Documented criteria include: expected minimum margin, target customer profile, the gap it fills on the wine list and estimated stock turnover.
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Do you know how much capital you have tied up in wines that do not sell? If you do not have a figure, prepare a calculation using up-to-date stock and cost records before deciding.
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Do you periodically review the purchase prices of your active wines? The market changes. Vintages vary. Your costs should reflect reality, not an agreement from 2 years ago.
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Do you have actual margin data, not theoretical figures, for each wine? Calculate margin using consistently defined revenue and costs, and identify the effect of recorded wastage. Review stock turnover, tied-up capital and opportunity cost separately: they are not interchangeable components of the margin percentage. Theoretical margin is only a starting point.
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Does your wine list reflect actual demand or your supplier's offering? If your list looks like your main distributor's catalogue, you are buying their range, not your own.
How to move from reactive to intelligent purchasing
Step 1: Take stock of performance
Before buying anything new, measure what you already have. Not a physical stocktake, but a business stocktake: what sells, what does not, what margin each wine generates and what has been sitting still for too long.
Step 2: Classify each wine
| Category | Stock turnover | Margin | Action |
|---|---|---|---|
| Stars | High | High | Prioritise availability and review before replenishing |
| Volume drivers | High | Low | Renegotiate the price or adjust the selling price |
| Opportunities | Low | High | Investigate why they do not sell |
| Dead weight | Low | Low | Candidates for removal |
Step 3: Set purchasing rules
- Assess whether a new wine replaces an underperforming one or meets a demonstrated need; do not apply automatic removal.
- Set a maximum stock level per wine according to its turnover rate.
- Review purchase prices every quarter with at least 2 suppliers.
- Set a monthly purchasing budget and stick to it.
Step 4: Automate monitoring
Assign responsibilities and a sustainable review frequency, using manual or automated tools according to your needs. A monitoring system can support alerts and proposals if it has sufficient data and integrations; check its coverage and review decisions before implementing them.
Frequently asked questions
Does buying well mean buying cheaply? No. It means buying what sells, at a fair price, with appropriate stock turnover. A lower unit cost does not ensure a more profitable purchase: consider units sold, margin per unit, wastage and time in stock.
How much can I save by improving my purchasing process? There is no demonstrated universal savings figure for this article. Calculate a scenario using your costs, stock and sales, separating spending reductions, margin and capital that could be released. Compare equivalent periods and document the assumptions; do not present the result as a Winerim guarantee.
Do I need a sommelier to buy well? Not necessarily. You need performance data. Wine expertise is valuable, but without business data, it is incomplete.
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