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When liquor cost is high the standard response is to count more accurately and more often. That is reasonable if you genuinely do not know your numbers. If you do know them and the number is bad, counting again will confirm it rather than change it.
What follows costs nothing except attention. The last section covers where a tool actually earns its place, because sometimes it does.
1. Put a pourer with a known count on every high volume bottle
Free pouring drifts under pressure. Not through carelessness: a busy service rewards speed, and the cost of a heavy pour is invisible for weeks. A measured pourer removes the choice rather than asking people to make it correctly at the fourth hour of a Saturday.
Start with the few products that carry most of your volume. The tail is not worth the friction.
2. Log comps with a reason
Comps are usually the least controlled line in a bar and the easiest to fix, because the fix is procedural rather than behavioural. Every comp over a threshold gets a reason attached. No approval workflow, no confrontation, just a reason.
Two things follow. Total comps fall, because a thing being recorded changes how casually it is done. And the reasons cluster, which tells you what is actually going wrong, and that is frequently a service problem rather than a generosity problem.
3. Agree the recipes, then teach the balance
Many bars have never actually agreed a spec. Recipes vary by whoever trained whom, and nobody has noticed because the drinks are all broadly fine.
Write them down, then teach why the drink is balanced where it is. A bartender who knows a serve tastes thin at forty and hot at sixty holds the standard without supervision. One told only to pour fifty holds it while watched.
4. Count the fast movers weekly, everything else quarterly
Full counts are expensive in labour and usually get done badly because they are tedious. A partial count of the products that carry most of your volume, done weekly, gives you a far more useful signal than a full count done monthly and rushed.
The goal is not accounting accuracy. It is noticing a drift while you can still remember the fortnight it happened in.
5. Look at variance by shift, not by period
This is the highest value change on the list and the only one that needs no additional physical work at all, because the data already exists in your point of sale.
A variance figure for four weeks tells you the size of a problem. The same figure broken out by shift tells you where it came from, and those are different findings. Diffuse variance across every night is usually a recipe or pricing issue. Variance concentrated on two nights is an execution issue with a shift pattern attached, and it has an obvious intervention.
Where a tool genuinely helps
Everything above is doable by hand. Item five is doable by hand for about two hours a week, every week, by someone who is also running a bar, which is why almost nobody does it past the first month.
That is the narrow, honest case for software: not that it notices things a competent operator would miss, but that it removes the assembly step that kills the habit. If you have the discipline and the time, you do not need it.
What a tool should not be bought for is measurement you already have. If you know your variance and it is bad, another counting product will tell you the same thing at greater expense.
CoreTAP reads the point of sale you already run and does the shift level breakdown continuously. The comparisons cover the counting tools honestly, including what they are good at.