Flat Rate or Hourly? How to Price Jobs in a Garage Repair Business
Every garage repair business hits the same question early: do you charge by the hour, or quote one price per job? Both work. The right choice depends on how predictable your jobs are and how comfortable you are estimating.
Hourly: simple, but customers worry
Charging for time plus parts is easy to explain and protects you when a job turns messy. If a mower carburetor fights you for an extra hour, you’re paid for it. Xero’s billing guide notes that hourly pricing suits work where the scope is unclear or likely to change.
The downside is on the customer’s side. They don’t know the final bill, they may wonder whether you’re working slowly, and you earn nothing extra for getting faster. ServiceTitan also points out that hourly billing means careful time tracking on every job.
Flat rate: clear prices, more risk for you
A flat rate tells the customer the price up front: “blade sharpening and balancing, one price.” People like knowing the number, and as your skills improve you keep the benefit of finishing faster. The risk is underquoting; a job that runs long can pay less than your normal hourly rate. Both guides stress defining exactly what the price includes, preferably in writing.
How to build a flat price
ServiceTitan lists the pieces a flat price should cover. For a garage shop, that boils down to:
- Parts and supplies for the job
- Your typical time for the job, multiplied by your hourly labor rate
- A share of overhead such as rent, utilities, insurance, software and tools
- Profit on top
Time a handful of real jobs before you set the number, then review it every few months as parts prices change.
A practical middle ground
Many small shops mix the two:
- Flat rates for common, repeatable jobs: tune-ups, sharpening, rescreening, a standard bike service
- Hourly with a written estimate range and an upper limit for diagnostics and unusual repairs, which Xero describes as a way to share the risk
- A clear rule for “while we were in there” findings: call the customer and get approval before extra work
Make it visible
Post your common prices on a simple price sheet or your website. Customers compare shops, and published flat rates answer their first question before they ask. Write up every job on a work order that lists what’s included, what’s extra and the approved price, so there are no surprises at pickup.
Remember to account for sales tax rules on parts and labor, which vary by state. Check with your state revenue department or a tax professional.
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