Sometimes you can't enter others houses because people lock them to prevent others from entering them.
You cant
you cant you can only visit their houses, not share it
You cant get a third bedroom in your default apartment but there are houses which have many bedrooms
You cannot delete houses or apartments in YoVille.
No,you cant not on yoville!
They did this so people cant loose there houses due to scams, your stuck with it.
Unfortunately, at this point in time, You cannot sell houses back or delete them in Yoville.
There are no cheat codes for YoVille!
No you can't sell houses on YoVille.
They cant take your houses, but the most important thing is never ever give outyour password ever to anybody.
you cant
you cant