A closed door is your first barrier. Once you unlock and open it wide, you’ve instantly reduced your control. Unfamiliar visitors—delivery mix-ups, “survey” people, random sales people—should be checked before you give them full access to your space.
Using a peephole, door camera, or even just speaking through the closed door lets you understand who they are and what they want. If something feels off, you can refuse entry without putting yourself physically close to them.
It’s not about being rude; it’s about being sensible. Genuine visitors will understand a little caution. The few seconds you spend checking can prevent many uncomfortable or risky situations.
