Do not do any maintenance to things of the house - i.e. holes in the wall, garbage disposal, etc. Then if something happens - for instance, pipes bursting outside and flooding your floor - they do not pay for any of the costs it adds to water bill, electric bill (to clean it up), etc.
Terrible contracts that limit you from pretty much doing anything - essentially the tight wads of the housing world - and they do not even give an option for a buyout or sublease if you get a dream job in another state and have to move. Not very friendly people either. read more