If the current home structural materials that are demolished are made of stone, brick and or concrete it can go to a recycling facility where it is made into reusable aggregate. If there is metal framework of some sort it can go to metals recycler as well. We really don't know if Dak is doing this on a whim, or if there were some issues with the home. But if he just wants even a larger home for whatever desire or purpose it may be more practical demolishing it and rebuilding a larger scale home than expanding it with additions. Maybe he wants to rebuild a mini stadium to live in since he already has half a field