The prices of rooms & shapes
This overview is old, please see the new one over here: https://www.phantomlover1717.nl/home/prices-of-room-and-shaped-rooms/
With a little teamwork, SalixCat and I made a nice list of the prices of rooms and shapes.
I wanted to mention I had a little help from the Game Changer program.
Corresponding post on Answers HQ: https://answers.ea.com/t5/Game-Information/The-prices-of-rooms-amp-shapes/m-p/7960711#M21299