how big is the estate? if its big big then if i was you id now canvass it ruthlessly ,whatever it takes dont give up on it . i agree many will be up to their eyes in debt but not every single soul , in between will be good earners its jus a case of finding them. you want the homes with cars year 08 Audi or newer, if its an Preg Galaxy on slicks in the drive just hurry on by