Different rooms are worth different amounts to different people. Instead of guessing what each room should cost, we'll find out what they're actually worth to your household.
One phone, passed around. Nobody sees anyone else's answers.
Descriptions are just so everyone knows which room is which. They don't affect the price.
Smaller steps are more precise but take more rounds. $5 is a good default.
Make sure nobody else can see the screen.
Nobody is willing to take even for $0. You'll need to reconsider the room arrangement before continuing.
This will erase the current room split.