Start with a question, not a camera count
What do you need to understand after an incident? A doorway view, a delivery area, and an overview of a shared space serve different purposes. Write down the moments you need to capture before choosing equipment. A wide image can show movement without providing the detail needed to identify a face or read a label.
For a storefront, sketch the entrance, counter, stock area, and delivery route. For a home or shared building, start with the approaches and common areas relevant to your project. A simple floor plan helps reveal overlap and blind spots before anyone runs cable.
Look at the same view in different light
A bright window behind a visitor can make an entrance difficult to capture. Reflections, signs, awnings, and changing daylight also affect the picture. Ask how the proposed view will be checked during the conditions that matter to you, including after dark if the area is used then.
Mounting height and direction matter as much as the camera specification. Avoid assuming that a higher position is always better: an overhead view may miss the detail you wanted. Equipment should be mounted with the correct bracket and with practical access for maintenance.
Plan the route to a useful recording
Recording requirements affect storage and equipment choices. Agree how far back you need to review footage, which cameras record continuously or on events, and how someone will find and export a relevant clip. Available features depend on the selected equipment and configuration.
Decide who can view footage, who can change settings, and who manages account access when staff or residents change. Discuss recording areas and privacy expectations before installation; location-specific requirements should be checked for your project.
Walk the cable route
Existing cabling may be reusable, but its condition and compatibility need checking. Consider the equipment location, power, cable access, and finish work together. A neat-looking camera is only one part of a serviceable installation.
During handover, ask for the agreed views and recording functions to be demonstrated. Keep account ownership, basic instructions, and the agreed support arrangements clear. That makes the system easier to use when you actually need it.