Category · 02 of 08

Setting up
your shop.

Products, COGS, tax rates, fixed costs, expense categories. The one-time setup that makes every evening 60 seconds — and every monthly export honest.

18 articles ~95 min to read Written by the founders
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  1. 01

    Business profile: name, country, default language

    The three umbrella settings above every location. Where to find them and what they change.

    Walkthrough·5 min read·Updated this week
  2. 02

    Adding a second location (Growth and Pro)

    When one shop becomes two. The plan you need, where to add it, and what stays separate.

    Walkthrough·6 min read·Updated this week
  3. 03

    Switching between locations: the picker and what scopes

    How the location picker changes every tab below it — and why two locations never bleed into each other's numbers.

    Concept·5 min read·Updated this week
  4. 04

    Choosing your currency: when to override the default

    EUR by default. When you should change it, and what gets reformatted across the app when you do.

    Concept·5 min read·Updated this week
  5. 05

    EU number formatting: comma decimal, dot thousands

    Why €1.234,56 looks right to a German owner and wrong to an American one — and how to flip it.

    Concept·4 min read·Updated this week
  6. 06

    Setting up a product: name, price, per-unit COGS

    The four fields that let nouz compute margin automatically. Worked example with a €3,80 cappuccino.

    Walkthrough·7 min read·Updated this week
  7. 07

    Editing a product later (and why past sales don't change)

    How updates work — and the no-retroactive rule that protects your historical P&L.

    Concept·5 min read·Updated this week
  8. 08

    Archiving a product without losing past revenue

    Stop selling a product without nuking its history. The archive button, in one click.

    Walkthrough·4 min read·Updated this week
  9. 09

    Fixed costs: how nouz allocates them to your daily EBIT

    How a monthly bill becomes a daily slice — and why your EBIT subtracts it every day.

    Concept·7 min read·Updated this week
  10. 10

    Adding a fixed cost: daily, weekly, monthly, yearly

    Four frequency options, one daily slice. The conversion table and when to use each.

    Walkthrough·6 min read·Updated this week
  11. 11

    Fixed-cost start and end dates: the lifecycle rule

    How nouz decides whether a fixed cost is active on a given day — and how to retire one without breaking past P&Ls.

    Concept·6 min read·Updated this week
  12. 12

    Updating a fixed cost (and the no-retroactive rule)

    Why a rent increase doesn't backdate. End the old cost, start a new one — here's the two-step pattern.

    Walkthrough·5 min read·Updated this week
  13. 13

    Expense categories: the eight defaults and what fits where

    Advertising, transport, packaging, spoilage… the full list, with one-line rules for what belongs in each.

    Concept·7 min read·Updated this week
  14. 14

    Cash vs card revenue (BAR vs EC): why we split them

    Two columns on every revenue entry. Why the split matters for transaction fees and what to do when you only know the total.

    Concept·6 min read·Updated this week
  15. 15

    Changing your tax rate mid-year

    The right way to bump VAT without retroactively changing last quarter's P&L.

    Walkthrough·5 min read·Updated this week
  16. 16

    Changing your transaction fee percentage

    When your acquirer's rate changes. The one-field edit, and what it does (and doesn't) touch.

    Walkthrough·4 min read·Updated this week
  17. 17

    Multiple tax rates: when one location isn't enough

    Some products carry reduced VAT. How per-product overrides work, and the two-rate cafés where this matters.

    Concept·5 min read·Updated this week
  18. 18

    Preferred language: switching the whole app

    English or German today. Where to change it, and how the rest of nouz follows along.

    Walkthrough·3 min read·Updated this week

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