Quality control without micromanaging
The goal isn't to inspect every job. It's to design the work so most jobs pass without an inspection.
Build a one-page completion checklist
The same checklist on every job, signed off by whoever closed it out. Most quality issues live on the same 10 lines. Catching them on the checklist beats catching them on a callback.
Spot-check, don't inspect everything
Random spot-checks on 10 to 20% of jobs, by you or a lead, set the standard. Full inspections of every job teach the team you don't trust them.
Treat callbacks as data, not failures
Every callback gets a 60-second debrief: what happened, why, what we change. The callback rate drops fastest in shops that talk about callbacks calmly.
Take your version of this question further
This is one operator-tested angle on the question. Your shop, your size, your trade, and your team change the answer. Ask your specific version inside Ask a Shop Owner to get a response grounded in how owners like you actually handled it.