Some lenders are more flexible on the account information that is needed, so the clients that do it that way will actually name the LLC after the exact address which makes it a bit easier to track.

Better to do with a bank to start building a relationship and track record.  

You'll find the tools in the PM software are far more useful than just a program to keep track of your books.

I hope this helps get your situation on the right track and gets the conversation going with your accountant. 

When these payees are shared across all projects, it's a mess tracking what expense goes to which property.What's the simplest/easiest way to do this?

And make sure that you do not back-track and let her move in....!

Keep track of what items are purely for the rental unit and what items are for both units.If it's an item that is technically for improvement of the whole house (landscaping, common area improvements, exterior siding/painting) you can only write off a portion.

Appreciate the feedback, and sounds like things are on the right track for you and your husband which is awesome!

I'm 26, but I want to be sure I'm on the right track. 

Make sure to carefully look into what and who you are investing in and whether their track record and experience is a good fit for your investment objectives.