Our use of that term is a hot dog wrapped in biscuit, similar idea.

We had one labeled “tv”

When we took ownership, there was no TV in the house, but not even a wall mount or evidence an old mount.

Bundle up in front of resistive space heaters?

Usually, when the temps are too cold for Heat Pumps to work super effectively, they still work a bit, just not enough to fully keep up with demand. So you could absolutely use resistive space heaters to supplement, not be sole heat source.