Intermittent drops, one flaky desk, a closet nobody has opened in years. Here is when bad cabling is the real cause and when it is worth redoing properly.
Nearly all web traffic is encrypted now, so the classic coffee shop eavesdropping warning is out of date. Here is what still matters on public Wi-Fi.
A travel router puts every device you brought behind one small box and your own rules. Here is what it genuinely fixes, and where it is honestly overkill.
Cameras, doorbells, speakers, and plugs done sensibly: separate networks, day one settings, brands that still ship updates, and knowing what you actually have.