Take a look at keeb.io, they have a few full size splits https://keeb.io/products/quefrency-rev-5-pcbs-hotswap-65-65xt-split-staggered-keyboard

I am using the pi hole for DHCP, maybe you just have to turn off the DHCP server on the att modem.

Are you sure about that? I’m using the official AT&T fiber modem (Nokia white oval) and a pi.hole for DNS. I do remember needing to change a number of settings to get it to work though.

You probably want commercial displays. They’ll cost a bit more, but they’re also designed to run 24/7 (think the screens they use in menus, signs, etc) so they could probably last forever as a TV.

Words apparently don’t mean things anymore, Merriam Webster added a new definition for “literally” this year