I will be taking my pre-license classes in two weeks so that I can get my real estate license. In the meantime I have been researching the real estate industry in general. Lately, I keep running into articles saying ...

I know the "50% rule" is bandied about as gospel here in the forums, but haven't seen any actual, hard data that says that operating expenses tend to be ~50% of gross rent income. I'd like to verify this number is, in...