Comment by ja27

I wouldn't have thought they were lesser-known, but I've been surprised how many people don't know about today's cheap portable external monitors. They're essentially laptop panels with a USB-C+HDMI board. $100-$150-ish and easily found in 15.6" and 13-14", 1080p or 2K. All the ones I've tried have 2 USB-C ports, mini-HDMI, and speakers. This all depends on what USB-C ports your machine actually has and the right USB-C cables, but a single cable can do power and display from the laptop. Or plug the monitor into USB-C PD source and the same cable will charge the laptop and run the monitor. Mine even has a third USB-C "OTG" port for USB 2.0 speed devices. Good for a second screen on the go or debugging single board computers.