This only works to add to the environment. The problem with the AR approach for things like "what would this couch look like in my living room" is you can't get rid of the existing couch. That's still a long way away.
Yes , the biggest problem for me and wife has been to visualize how the new furniture we are buying will look inside our house. AR can solve lot of those problems to some extent
I can see benefits in the interior paint industry, and the flooring industries too. Being able to 'preview' tens of thousands of dollars worth of tiles (for instance) would be a real benefit, especially if you operated an interior design company etc.