Quote: "so I need to turn water off everytime? Do we talk about the lowest the map can be?"
No need to turn water off ?
Basically AI will work on ground terrain .. Hills, Valley, flat, whatever although they avoid water.
They just cannot work on second, Third levels, stairs at the moment inside a building ....
But on the ground floor of a building they work fine ..
The only person ever to get all his work done by "Friday" was Robinson Crusoe..