Tweaking QoS settings <i>is</i> largely a waste of time nowadays, but only if your router is running an OS new enough to include modern self-tuning QoS algorithms (and preferably a community-maintained project like OpenWRT, because the commercial vendors screw up their deployment of said algorithms).<p>Even if you aren&#x27;t going to be hacking on your router much, it still definitely pays to ensure you&#x27;re using hackable hardware.