Start with the problem you want solved
A single slow sink and a backup affecting several fixtures need different investigations.
Herriman: planning the visit
If a project adds a bathroom, kitchenette or laundry area, share its location relative to the existing plumbing. Ask the plumber which work must be inspected before finishes go in. Keep a current leak repair and a future remodel as separate scopes so the urgent visit does not become an unclear open-ended project.
