Renting TVs is vanishingly rare these days, although it used to be a thing. I had a look at the OP out of idle curiosity and the first sentence seemed unusual:
I think it may be time for a bit of a size upgrade from my little 16 foot Fun Finder
A 16-foot TV doesn’t sound like it really needs an upgrade, and I’d never heard of a TV called a “Fun Finder”. Then I looked at the thread title more closely. 