Building your own pfSense router is one of the best upgrades you can make to your home networking set up. It opens up a world of power and customization that’s normally locked away in expensive, off-the-shelf routers. But getting pfSense up and running can be a daunting task, and there’s lots to learn as you go. Some quick research beforehand, as well as a basic understanding of what your router does and how it works, can help you avoid sinking time and frustration into any of the common pitfalls.