1. Age is not the boss—stability is      3–5 years is the average life, not a deadline. If your 2017 box still covers every room and hits 90 % of your plan speed, keep it. Just reboot it once a week and blow the dust out of the vents. When…

1. Speed    USB 2.0: 480 Mb/s on paper → 25-30 MB/s in Windows.      USB 3.0: 5 Gb/s on paper → 80-110 MB/s with a spinning disk, 300-400 MB/s with a fast SSD.      A 1 GB film: ~35 s on 2.0, ~3 s on 3.0. 2. Power      2.0:…

A repeater is the cheapest way to cure a dead spot, but “plug in and forget” only works if you park the thing in the right place. Move it ten feet and you can turn a £20 miracle into a £20 paper-weight. Follow the three-step ruler: 1. Signal must be…