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It depends on the size of your background wall and whether you want to shape it.
The price difference between various ceramic tile brands is also quite large, and if you choose general tiles, about 1000 pieces should be OK.
Indoor color matching, it is best to have only one main color, and then choose one or two auxiliary color contrasting colors to adjust the color purity and brightness of the living room, but the contrast color area and type must be less, otherwise it will appear chaotic and cheap. >>>More
It depends on what style of tile you are installing, as long as it is not too dazzling, there will be no such situation as you said.
It depends on the specific material, as well as the size, brand and other factors. The conditions are different, and the difference is very large. From tens of dollars to hundreds of dollars and even more expensive.
The TV background wall can be completely wallpapered.
Give you two bad pictures for reference: