You can certainly run these as background tasks on your existing daily driver, but you don't have to. I've found a raspberrypi/orangepi to work just fine and i

You can certainly run these as background tasks on your existing daily driver, but you don't have to. I've found a raspberrypi/orangepi to work just fine and it doesn't matter if the main computer is on, I'm upgrading to a new system, or traveling between work (laptops). It just sits in the closet and does it's thing using a tiny amount of electricity.