What the house adds to labor
Original wiring or galvanized plumbing behind the walls, tight older floor plans, an occupied household, and how much protection the rest of the house needs can all add time.
What the materials lock in
Where repair work ends and new work begins, what the existing systems can carry, material compatibility, and who hauls away debris should be spelled out, not assumed.
When a permit or trade specialist is required
Some scopes need a city permit, inspection, engineering review, or specialty trade. Confirm that locally rather than guessing.
A planning number, not a bid
Nothing here is a firm price. Get a written, property-specific quote before treating any figure as real.