Trading post and your local paper's classifieds would be a good place to look. Salvos / Vinnies might also have some of the stuff you are after
If you are after a cheap bed in a hurry, I suggest going to a camping shop and picking up a swag and a sleeping bag. This will keep you warm and relatively comfortable, as well as a handy item to have in the car after a long, hard night on the cans
At this point I’d like to point out that the TV / TV cabinet is really a luxury and probably should be considered last