For some there could be other fees like inspection fees or maintenance call fees, etc.

You will also want to get any insight you can on maintenance costs and weather or not the previous landlord has been doing good maintenance or just enough to get by?

The same is true with your assumptions on maintenance costs.

The filing and maintenance fees will run a few hundred initially and a couple hundred per year (depending on the state).  

The 2 bedroom investors who have the best success here are usually targeting seniors or single professionals... usually low-maintenance, like a condo or town home.

If you're currently on a 30 year and you're just breaking even on rents covering mortgage, insurance, and taxes and not able to save extra for repairs and maintenance, I personally wouldn't do a 15 year.

This particular HOA may also routinely have its lawyer respond to lien inquiries.

Also, they will run the heat in your house at 80 degrees all winter long, and when it gets too hot, they'll open a window instead of adjusting the temperature.You should account for a large amount of maintenance, or be prepared to fight them over the costs of the things that they damage.I bought my first property with cash out of my pocket, and an owner-held mortgage note.  

If she doesn't do these things she is essentially an assistant and a maintenance coordinator.

We just collect a check every month, and worry about major maintenence when the time comes.