You could, but why? You have an almost 25 year old truck. The 5k intervals have halped it last this long. How much can you really be saving by going 50% longer?

Most splitters aren’t even that. They connect both devices over the same 4-pairs. So it only works if one of the devices is powered off.

If you read the manual, you’d see you can use the 2.5Gbps port for either LAN or WAN.

Fiber can be oversold just like any other internet connection type.

There is fluid by which tire? All of them? Just one?