I run into this frequently enough that I thought I'd see what others had to say about it.

Using the StyleCop conventions, I find that I often have a property name that is hard to make different than the class name it is accessing. For example:

public class ProjectManager
{
 // Stuff here
}

public class OtherClass
{
     private ProjectManager ProjectManager { get; set; }
}

It compiles and runs, but seems like it would be an easy way to confuse things, even with the use of "this".