Free online home buying website

In today's world of inflated housing prices, I'd like to recommend a free online home-buying website to everyone. Every floor of this virtual building is constructed by different people, featuring an ocean park, a forest, a Jeet Kune Do gym, a Go (Weiqi) room, a car showroom, and more. Since it is built collectively, its height increases daily. Of course, you can also download a template to create a floor, mark it with your name, email, and website, and permanently own this floor as your own. However, it seems that the building has already been topped out, and no more floors can be added. Still, I've been thinking, if it could be linked to advertising, creating an online building-selling site similar to the Million Dollar Homepage, its advertising effect probably wouldn't be bad either.