I just painted my front wall black. Some use screens with a black velvet border. As long as your wall is a darker color and not a reflective paint you won't get reflections from your projector.

M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85