How to make the best router possible with PfSense

Why should you use PfSense instead? Nowadays when people connect to the internet, they just simply use a modem/router provided to them by their ISP, plug it in and get going. Many of these routers are small in nature that provide you with the minimal configuration needed and simplicity that is only meant for a single family home. While that may seem like an ideal solution, there are actually caveats to it: