Notes — Deluge InternationalShort answers to the questions hotel and bar operators ask about gross profit, costing, menu engineering and running a beverage programme.https://deluge.bar/en-auWhat GP should a hotel bar run?https://deluge.bar/notes/what-gp-should-a-hotel-bar-run/https://deluge.bar/notes/what-gp-should-a-hotel-bar-run/Beverage cost versus gross profit, what a defensible number looks like across several outlets, and why an average of percentages will lie to you.Fri, 18 Sep 2026 00:00:00 GMTgross profitbeverage costhotel barshello@deluge.bar (Jesse Williams)How do you cost a cocktail properly?https://deluge.bar/notes/how-to-cost-a-cocktail/https://deluge.bar/notes/how-to-cost-a-cocktail/Ex-tax, per serve, with every prep and batch behind the drink carrying its own yield loss — and why a spreadsheet loses the chain.Fri, 18 Sep 2026 00:00:00 GMTcostingprepscocktailshello@deluge.bar (Jesse Williams)Menu engineering for a cocktail listhttps://deluge.bar/notes/menu-engineering-for-a-cocktail-list/https://deluge.bar/notes/menu-engineering-for-a-cocktail-list/Sales mix against contribution per drink, the four classes every list sorts into, and how to re-price and re-cut to a target GP without guessing.Fri, 18 Sep 2026 00:00:00 GMTmenu engineeringsales mixpricinghello@deluge.bar (Jesse Williams)Why purchasing and the POS never agreehttps://deluge.bar/notes/why-purchasing-and-the-pos-never-agree/https://deluge.bar/notes/why-purchasing-and-the-pos-never-agree/Two systems, two code namespaces and a price list that moves — and the monthly reconciliation that keeps a hotel bar's margins honest without an integration.Fri, 18 Sep 2026 00:00:00 GMTpurchasingPOShotelshello@deluge.bar (Jesse Williams)What does a bar consultant actually do — and what does it cost?https://deluge.bar/notes/what-a-bar-consultant-does-and-costs/https://deluge.bar/notes/what-a-bar-consultant-does-and-costs/The shapes an engagement takes, what a venue hands over and gets back, and why the price is on enquiry rather than on a rate card.Fri, 18 Sep 2026 00:00:00 GMTconsultancyengagementspricinghello@deluge.bar (Jesse Williams)Stocktake variance under 2% — what it actually takeshttps://deluge.bar/notes/stocktake-variance-under-two-percent/https://deluge.bar/notes/stocktake-variance-under-two-percent/Variance is a symptom, not a cause. The pars, ordering, prep discipline and spec adherence that keep unknown loss under two percent, venue after venue.Fri, 18 Sep 2026 00:00:00 GMTstocktakevarianceoperationshello@deluge.bar (Jesse Williams)Batching cocktails for service and eventshttps://deluge.bar/notes/batching-cocktails-for-service-and-events/https://deluge.bar/notes/batching-cocktails-for-service-and-events/Bottled, kegged and freezer serves — when a batch earns its place, where the water goes, and how to cost it per serve so the GP survives the shortcut.Fri, 18 Sep 2026 00:00:00 GMTbatchingeventsprepshello@deluge.bar (Jesse Williams)Why bar documents go stale — and how to stop ithttps://deluge.bar/notes/why-bar-documents-go-stale/https://deluge.bar/notes/why-bar-documents-go-stale/Spec cards, prep sheets, order sheets and costed menus drift apart because they are separate files. The fix is to make them views of one database.Fri, 18 Sep 2026 00:00:00 GMTdocumentsspec cardspublishinghello@deluge.bar (Jesse Williams)