High turnover is the reason to document, not the excuse not to
Short answer. Turnover makes documentation more valuable, not less. Every departure takes unwritten knowledge with it and every arrival pays the cost of relearning it. Shops with the most churn are the ones for whom writing it down pays back fastest, and they are usually the ones who say they have no time.
The argument owners make
"There is no point writing it down, they will be gone in eight months." It sounds like realism. It is the exact inversion of the arithmetic.
The arithmetic
Onboarding cost is paid per hire. If a new technician takes three weeks of ride-alongs before he can be sent alone, that is three weeks of two wages producing one output, every single time you hire.
Written procedures do not remove that cost, but they compress it, and the saving repeats on every hire. A shop replacing four people a year gets that saving four times. A shop with stable staff gets it once every few years, which is why stable shops are the ones who can genuinely afford to skip it.
The second cost, which is bigger
When your best technician leaves, twenty years of judgment leaves with him. Not the steps, which anyone can learn, but the sequence, the shortcuts that are safe and the ones that are not, and the thing he checks that nobody told him to check.
None of that is recoverable afterwards. The only time to capture it is while he is still there, and the cheapest way is to have him narrate a job on the drive back rather than sit him at a keyboard.
Why it does not happen
Documentation loses to whatever is on fire today, permanently, because it is never urgent and always important. The shops that manage it treat it as a small recurring task rather than a project: one procedure a week, written by whoever last did that job.
Ten weeks of that produces ten procedures covering your ten most expensive recurring mistakes. That is more than most shops your size will ever have.
The trigger worth watching for
The week you decide to hire, not the week the person starts. Everything you know is currently unwritten, and the fastest route is to record yourself doing the work during the month before the new person arrives.
Shops that hire first and document afterwards spend the first three months training by ride-along, which is the expensive version of the same thing.
Keep the record, not just the paperwork
Everything on this page is free to copy. What Intulix sells is the part underneath: a signed, dated, version locked record of which technician read which version, exportable when someone asks. Start free or see pricing.
Common questions
Is it worth writing procedures if my staff keep leaving?
That is the strongest case for writing them. Onboarding cost is paid per hire, so the more hires, the more a written procedure saves. The shops with stable staff get the least benefit, not the most.