How do you soundproof a room without forever making it “your studio” I've always loved the idea of having some sort of ceiling hooks that could be used to hang a thick blanket. Vocal Booth To Go (I've seen them at Podcast movement) have a cool tracking system, and sound absorbing blankets. Check out this video
The kits is $138
The blankets are $45
When you're done, take the blankets down and the room goes back to normal.