Having additional screen real estate can be very beneficial. One trick that many people have used is to utilize a TV as an extra screen.
Although this isn’t applicable to everyone, almost all more recent TV’s have an HDMI input. Connecting an HDMI cord from a Chromebook to a TV means that the TV can be used as a second monitor. Another option is to utilize a Chromecast.
Again, this isn’t a solution for everyone. However, for some, this can be an easy “game changer” with things that they already have.