Should have just went t with CAT 12 ½
Any computer can be a server and in most cases we ain’t pushing em very hard as we learn anyway
Some people are really abusing channel width!
Don’t daisy chain them. One line from the main switch (your router) to each additional switch. If your devices support it and you can figure out how to setup LAG (link aggregation) you can combine two links to each switch for more speed but you probably don’t need that.
Always a pair of Ethernet, never one. Every other wall in most rooms and all walls in some rooms. Can be used for IR and speakers.