Hourly rate or fixed price: which is better for your job?
Each pricing model shifts risk in a different direction. When to prefer each, and the questions that stop either one going wrong.
Every trade quote is built on one of two engines: an hourly rate (you pay for time spent) or a fixed price (you pay for an outcome). Neither is "the honest one" — they just move risk in opposite directions, and knowing which suits your job is genuinely useful.
How each model works
Hourly means the tradie bills time plus materials; if the job runs long, you wear it, and if it's quick, you save. Fixed price means the tradie commits to a number for a defined scope; if it runs long, they wear it — which is exactly why fixed prices carry a buffer built in.
That buffer isn't a con. It's the price of certainty, the same way an insurance premium is.
When hourly makes sense
Hourly suits work where nobody can honestly predict the effort: diagnosing an intermittent electrical fault, chasing a leak, clearing an unknown blockage, or a grab-bag list of small handyman tasks. Ask for the rate, any minimum charge, and a rough range of hours before starting — a fair tradie will give you all three without prompting.
When fixed price makes sense
Fixed pricing suits well-defined outcomes: paint these three rooms, build this fence to this spec, install this specific unit. The scope is describable, so the risk is quotable. The discipline it demands is a genuinely clear scope — a fixed price for a vague scope is just a future argument with a number on it.
Questions that keep either model honest
Whichever engine your quote runs on, these settle the details up front:
- Hourly: what's the rate, the minimum, and your best-guess range for this job?
- Hourly: are materials billed at cost, or with a margin?
- Fixed: exactly what's in scope, and what triggers a variation?
- Both: is GST included in the numbers we've discussed?
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