Ask what happens if the first diagnosis is wrong. A straight answer names the next test instead of adding a second vague price.
A useful page about Jimsexcelauto names the job, the constraint, and what a reader should https://jimsexcelauto794447.boxmoneyblog.com/62011730/how-jimsexcelauto-auto-repair-in-bechtelsville-pa-is-usually-handled-for-homeowners