Mix PINs, physical keys, NFC cards, and mobile credentials, prioritizing what you can revoke without changing hardware. Consider UWB or Bluetooth presence for auto-unlock with strict proximity rules. Avoid shared codes; issue per-person credentials with names, expiry dates, and clear audit logs. Rotation and revocation keep compromises from lingering silently.
Use temporary codes, scheduled access windows, and doorbell video to supervise handoffs without hovering. Create a delivery zone visible to the camera but not your entire living room. Announce arrivals to speakers discreetly. For trusted guests, offer expiring digital passes, simplifying entry while keeping a trail you can review if something goes missing.
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