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Methodology / Sources · clustering · verification · evidence labels

How a homeowner forum thread becomes a regulated, verified, published trade guide.

Authority is earned by showing the work. This page is the full audit trail for the consumer guide: what we read, how we grouped it, how we checked it against the regulator, what we verified with operator quotes, how we wrote it, and what we'd label each claim if we put it on a stand.

Source files
104
Buyer-research workbooks across the 33 trade categories
Verbatim quotes
2,037
Real Australian homeowner accounts catalogued
Quotes verified
99+
Three operator quotes per price band per state
In one paragraph

We read 2,037 real Australian homeowner accounts across 33 trade categories, clustered them into 10 recurring question types, cross-referenced every claim against the relevant Australian Standard and state regulator, verified every pricing band against three operator quotes per state, wrote each guide in plain English on a locked editorial template, and labelled each substantive claim with an evidence type so readers know what kind of statement they're looking at.

01

The research question

We started with one question, scaled across 33 trades:

What does a homeowner actually need to know before hiring this trade — that they don't already know, that the tradie won't volunteer, and that the regulator already requires?

Every editorial decision flows from that question. If a fact is already common knowledge ("plumbers fix leaks"), we don't include it. If it's information the tradie's own quote would tell you ("we'll bring our own tools"), we don't include it. We include the gap — the things that determine whether the work is legal, lasting, and worth the money.

02

The source corpus

The corpus is the foundation. 104 buyer-research workbooks containing 2,037 verbatim quotes from Australian homeowners about their actual experience hiring 33 different trades, collected 2025–2026.

What a "verbatim quote" is

A real piece of writing or transcribed speech by a real homeowner, capturing how they described the experience in their own words — including the frustrations, the questions they wished they'd asked, the bills they didn't expect, and the warning signs they missed.

What it isn't

Not survey responses. Not AI-generated review summaries. Not press releases. Not marketing copy. Not professional opinion pieces. The corpus is consumer voice — the kind of detail you only get from someone who's already been through it and is processing in writing.

03

Source mix & coverage

The quotes came from a mix of platforms where Australians describe trade experiences in their own words. The full breakdown lives on the source ledger; the high-level mix:

Source typeShare
Forum discussions (Whirlpool, Reddit, trade-specific forums)~45%
Review platforms (ProductReview, Google Reviews, etc.)~28%
Consumer advocacy sites (CHOICE, fair-trading agencies)~12%
Comments on news / regulator / industry articles~10%
Operator-side voice (publicly-posted trade FAQs and tradie forums)~5%

Geographic coverage

Quotes are weighted toward NSW, VIC, and QLD reflecting population distribution. Smaller states and territories are represented at lower absolute volume but proportionally to demographics. Where a regulatory rule is state-specific (e.g. mandatory insurance thresholds), we cite the state explicitly.

04

Clustering & analysis

With 2,037 quotes across 33 trades, the analysis problem is grouping. We clustered the entire corpus into 10 recurring question categories that turned out to apply, with small variation, to every trade.

01
Price
02
Trust
03
Licensing
04
Timing
05
Process
06
Comparison
07
Warranty
08
Location
09
Edges
10
Aftercare

This 10-cluster template became the locked structural spine of every trade page. The benefit: a reader who learns the structure on one trade page can navigate any other trade page instantly. The discipline: clustering forces every claim into a defined section, which exposes gaps and prevents marketing creep.

05

Standards & regulation check

Every claim about licensing, standards, insurance, or compliance is cross-checked against the primary published source — the Australian Standard, the state regulator, or the codified consumer protection.

Sources cited

  • · Standards Australia / AS & AS-NZS — AS 1170.2, AS 1288, AS 1576, AS 1684, AS 2550.10, AS 2589, AS 2870, AS 3000, AS 3500.3, AS 3600, AS 3700, AS 3727, AS 3740, AS 3798, AS 4361, AS 4576, AS 4654, AS 4859
  • · National Construction Code (NCC) — Australian Building Codes Board
  • · State trade-licensing regulators — NSW Fair Trading, VBA, QBCC, WA Building & Energy, CBS, CBOS, NT, Access Canberra
  • · Work-safety regulators — SafeWork NSW, WorkSafe VIC, WHSQ, SafeWork SA
  • · Trade-specific accreditation bodies — Clean Energy Council, ARCtick, Energy Safe Victoria, Master Locksmiths
  • · Federal bodies — Clean Energy Regulator, ASIC, ABR, OAIC

Verified URLs for the licence-check tools are catalogued in the glossary's licence-check directory.

06

Pricing verification

Every price band published in a trade guide is cross-checked against three operator quotes per state, dated within the rolling 12 months preceding publication.

Why three quotes

Any single quote is a sample size of one and reflects that operator's margin, overhead, capacity, and pricing model. Three quotes per state per band gives enough range to publish a defensible band rather than a single number. The bands are intentionally wider than they would be in a marketing context — we'd rather understate accuracy than overclaim precision.

What price bands include

Where a quote line is “supply and install”, the band is supply-and-install. Where a quote varies meaningfully by access, soil class, BAL rating, or other location-specific factor, the band notes the variance and gives the modifier (e.g. “two-storey adds 30–50%”).

What they don't

Bands don't guarantee what any operator will quote you. They're the start of your conversation, not the end. They're also subject to regional, seasonal, and supply-chain variance — see the disclaimer's accuracy section.

07

Editorial review & voice

Every guide is read end-to-end before publishing. The editorial review tests three things:

  • · Factual accuracy. Does every regulatory claim still match the current published source?
  • · Voice consistency. Does the page read like the rest of the site? (We use a deliberate “kitchen-table” voice — plain, direct, no jargon, no marketing theatre.)
  • · Structural consistency. Does the page follow the locked 10-cluster template? If a section is short or missing, why?

The voice deliberately avoids two patterns. We don't do marketing puffery ("trusted Australian experts"). And we don't do legalese theatre (the disclaimer is the place for legal language; the guides are the place for plain English).

08

AI & tool use disclosure

We're transparent about where AI sits in the production process. Here's the honest breakdown:

Where AI assists
  • · Clustering & pattern recognition across the 2,037 quotes
  • · Draft generation of guide sections against the locked template
  • · Cross-referencing standards numbering against regulator pages
  • · Spotting voice / structural inconsistencies between guides
Where it doesn't
  • · Fabricating quotes — every quote is sourced from a real account
  • · Setting price bands without operator-quote verification
  • · Final editorial sign-off — every page is human-read before publish
  • · Inventing licensing rules or standards numbering not verified at source

We treat AI like any other production tool — useful for accelerating tedious work, dangerous if relied on without verification. Where a substantive claim turns out to be wrong because we missed something, it gets corrected on the corrections log regardless of whether AI was involved in drafting it.

09

Update cadence

Trade information drifts. Prices move; regulations amend; standards revise. Our commitment:

  • · Annual full-pricing review. All price bands re-verified against three current operator quotes per state.
  • · Quarterly regulation sweep. Spot-check every state regulator page and Australian Standard cited.
  • · Continuous corrections. Anything flagged by a reader or our own audit gets fixed and logged.
  • · Per-page "last reviewed" date. On the roadmap — each trade page will carry its own reviewed date so readers can see when a particular guide was last cross-checked, not just the site as a whole.
10

Evidence labels

Not every claim on a trade guide has the same evidentiary weight. We're building toward an explicit evidence-label system so readers can see, at a glance, what kind of statement they're looking at.

LabelMeaning
REGULATION CHECKEDCross-referenced against the published regulator source within the last 12 months.
STANDARD CITEDDrawn from a named Australian Standard or NCC clause.
MARKET OBSERVEDPricing or behavioural pattern verified across operator quotes.
OPERATOR QUOTEDirect quotation from an operator's pricing or process documentation.
HOMEOWNER QUOTEVerbatim consumer voice from the source corpus.
INDICATIVE ONLYEstimate or rule-of-thumb; verify before relying on it for a contract.

v1 of the consumer guide doesn't yet render these labels inline on every claim — that's in the v1.1 visual upgrade. The methodology behind them is already operational.

See the sources behind the guides.

The source ledger groups every source type — buyer voice, regulator, standards body, accreditation, manufacturer.

Open the source ledger →