Domain
Live webinars · Expense categorization

Methodology & Approach

How we teach
expense categorization
to stick

Expense categorization session — spreadsheet and financial documents on screen

Most people have tried to budget before. They opened a spreadsheet, filled in a few rows, and stopped two weeks later because the categories felt arbitrary and the upkeep felt punishing.

The pattern isn't laziness — it's a structural problem. When categories don't reflect how you actually spend, every transaction becomes a judgment call, and that friction adds up faster than the savings.

The approach at Domain starts somewhere different: with your bank statement, not with a template. We ask participants to look at three months of real transactions before touching any category names.

That sequence — observation before labelling — changes what people see. Patterns emerge that a pre-built spreadsheet would never surface, like a $200/month bleed across half a dozen small subscriptions that each feel negligible on their own.

Our live webinar sessions are built around that discovery process. An expert walks through real examples, participants work on their own data in parallel, and questions come from what people are actually looking at — not hypotheticals.

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Five steps — how a session works

Each webinar follows the same sequence because the order matters more than any individual step.

Participants who skip straight to budgeting targets consistently overshoot or undershoot because they're working from memory, not data. The five-step structure below corrects that.

  1. 01 Gather before guessing Pull three months of bank and credit card statements. Physical receipts count only if they're complete enough to categorize — partial records create false baselines.
  2. 02 Label by function, not by merchant "Amazon" is not a category. The same merchant can appear under food, home supplies, entertainment, or gifts depending on what was purchased. Each transaction gets a purpose label, not a vendor label.
  3. 03 Find the irregular layer After fixed and variable spending are mapped, most people find a third layer: irregular but predictable costs like car registration, dental visits, or annual software fees. These are the most common source of budget failure.
  4. 04 Set category ceilings from data, not aspiration A ceiling set at what you actually spend — not what you wish you'd spend — gives you a real baseline. You can tighten it over time. Setting an unrealistic number from week one guarantees abandonment.
  5. 05 Monthly review, not daily tracking Checking categories daily creates noise and anxiety. A structured monthly review — same day, same format — surfaces meaningful changes without consuming attention the rest of the month.
Participant working through expense categories during a live Domain webinar

What makes this different from a spreadsheet tutorial

Most spreadsheet guides teach the tool. These sessions teach the thinking behind the tool — so the structure transfers to any format, paper or digital.

Live Q&A as part of the method

Questions in the session aren't a bonus feature — they're part of the learning design. When someone asks about a transaction they don't know how to categorize, the answer is useful to the whole group.

How long before it becomes a habit

Realistic answer: three months before the process feels automatic. The first month is unfamiliar. The second reveals your actual patterns. By the third, you're adjusting — not just recording.

Portrait of Tobias Vreeland, lead webinar instructor
Tobias Vreeland
Lead Instructor, Domain

"The session where someone realizes their 'miscellaneous' category is 22% of their spending — that's when the methodology clicks. It's not a concept anymore, it's their own data talking."

Portrait of Renaud Séguy, financial literacy facilitator
Renaud Séguy
Facilitator, Domain

"People come in expecting to be told which categories to use. We spend the first thirty minutes showing them why their own spending has to define the structure — not the other way around."