1. Be rich
2. Don't not be rich
3. Make sure your kids marry in a way that keeps the money in the family
4. Build a castle/house of stone.
Congratulations, you own a castle 1. Be rich
2. Don't not be rich
3. Make sure your kids marry in a way that keeps the money in the family
4. Build a castle/house of stone.
Congratulations, you own a castleedit: spelling
http://earthwise.bgs.ac.uk/index.php/Building_stones_of_Edin...
Plus just 'don't knock it down'.
Stone is far more durable than the wood and plaster they use in the US.