Physical evidence is the place to start
An insect near a bed or sofa deserves a clearer look than an uncertain skin mark. If it can be done safely, photograph the insect and the spot where it was found. Note which resting areas are involved and how often they are used. Do not assume that a bedroom is the only relevant room, or that a bite pattern establishes bed bugs without other evidence.
Coordinate before belongings change places
For a rental or shared building, identify the person who can approve work and communicate preparation instructions. Explain whether anyone has already moved a mattress, switched sleeping rooms, or carried bags elsewhere. Those actions are useful context, not a reason for blame. Ask how suspect items should be contained or handled before sending them through common hallways or into another occupied space.
Agree on the sequence of work
An inspection may lead to a particular preparation and treatment plan, but instructions should match the actual approach. Clarify laundry, furniture access, pet arrangements, and when spaces can be occupied again. Ask how follow-up is scheduled and what new evidence would change the plan. Avoid disposing of serviceable furniture or adding unapproved products because you are waiting for a visit or uncertain about a mark.