Only use jellyfin. Have a list of things want to update… but it works for now.
Yes that is a laptop usb cooler used as supplemental placebo cooling. Also a pc fan I have propped up against the hard drive feeding into the pi.
Can’t recall last time used the ps4 or switch. But they’re there
Likely cheaper and the power usage will depend on the hardware. In idle it shouldn’t pull much power. The raspberry pi has gotten a lot more power hungry while also being poor on performance and overpriced.