When it comes to what you say regarding pretty much anything to your tenant, a good rule of thumb is to not share any more than is necessary.  Raising rent?  You don't owe the tenant an explanation.  Changing a policy?  Again, you don't owe them anything other than proper notice.  Listen as David shares a story about how an owner shared too much regarding an upcoming raise in rent and how that is likely going to cost the owner in the long run.