Can you quote the whole job from a slow-drain description?
The call can establish likely scope and access questions. The actual condition may need inspection before a useful written quote can be given.
Detroit, Michigan · Drain and sewer services
A practical guide for Detroit homeowners.
The useful question is what the quote includes. Clearing an accessible sink trap is a different job from reaching a restricted sewer below the basement.

A removable trap or an accessible cleanout can provide a direct route into the affected line. Removing a toilet, finding a buried cap or opening a concealed fitting adds work. Explain what access is visible when you call, but do not loosen a backed-up cap yourself.
A short branch blockage may need a small cable. A shared drain with roots or heavy deposits can require different tools, several passes or a camera inspection. Ask which section the quote covers and what happens if the first method does not restore satisfactory flow.
A cleaning quote should not be treated as a quote to replace damaged pipe. If the inspection reveals a displaced joint or collapsed section, ask to see the finding and discuss the repair separately. The same distinction applies to removing contaminated materials after a backup.
Ask about dispatch, fixture removal, cleaning limits, inspection records, final tests and reinstatement. Confirm any charge before the additional work begins. An advertised starting price cannot establish the cost of an unseen problem at your property.
The call can establish likely scope and access questions. The actual condition may need inspection before a useful written quote can be given.
Do not assume it does. Ask which inspection, recording and locating tasks are included.
Drain Cleaning in Detroit — Find the restriction. Choose the right clearing method.
Call with the address, affected fixtures and any previous inspection details. The phone line is available 24/7; confirm the current service window and proposed scope on the call.