The biggest display device I have ever used is these 29-inch monitor/TVs. I have three of them and the combined cost of the three was under US$800 including 10% VAT and shipping. This costs at least over US$100,000.
Sometimes the TVs for display on CES and such shipped across the Pacific are stolen right before the show. So the companies prepare at least one more for each. Samsung makes jokes saying the 102-inch TV's too big for the industry spies or thieves to steal. I guess it can't fit the small cars shown in the movie The Italian Job.
This place I live in has an area of about 8 meter by 7 meter, excluding the parking place which is of no use for us anyway since I don't have or drive a car except wheelchairs but including the balconies that occupy about half of the indoor apartment which makes the biggest room size just about 2m x 3m. My father-in-law lives in a place of about 30m x 40m though most of the place is for rent. I pay about US$200 for the place on a monthly basis whereas he receives thousands to tens of thosands for his place.