to move objects get the cheat box up (shift+control+alt+c) then type in move_objects on and you will be able to get more
land this way!
To get a sim with all of their personality points filled up,
create one with none then get them to keep making potions until they make the one which makes their personality the opposite
to what it originally was!
To get a moat around your house, get the cheat window up and
type in water_tool