If you don't count the first set of masks I built (Triple Black Velvet), which have been retired, and only the second (Protostar), my masking setup cost about $235. That would include $60 I paid a signmaker to apply the Protostar fabric to the masking panels, and I'm glad I did.
Other than the Protostar fabric and the labor I paid on that, the only other big expense was the tension rods. They came in a storage pole kit from Bed, Bath, to Infinity and Beyond, and each of the two kits cost $30.
I spent some money to drape my three Dunlavy front speakers with Triple Black Velvet (hemmed by an alterations shop) to knock out any reflections from the screen, but that was seperate, and much needed, of the masking.
Just as when I turn out the lights and my wife can imagine I'm George Clooney (she has a vivid imagination), I cut them off in the viewing room and I feel just like I'm watching in a room that performs like it cost a hell of a lot more than it did. DIY can go a long way for the Workin' Man.
See ya. Dave
"High Fidelity audio has been like a dog chasing his tail. High Fidelity in my marriage has been much more rewarding because she knows where I sleep."