Finally there will be efficiencies due to being a single location versus 10 different locations.

Here's the facts I have:Four 2 BR each with large storage unit w/ washer/dryer hookupsTwo Efficiencies w/ washer/dryer hookupsSix carports with Storage UnitsWell constructed building with a newer roof and all units but 1 remodeled.

You can also write down your long-term financial goals, and from that, assess what type of real estate investments will help you reach those goals most efficiently.

You added the idea of mattress toppers, and I think we're all coming from the same school of thought on that: ensure a good night's sleep and some comfort for your guests.

He makes sure I do everything right and by the book, while still ensuring that I get every legal allowance possible. 

Time to have a serious discussion with your PM and put some reporting standards in place to ensure that your property and reputation as a real estate investor is well represented and protected.Best...

I disclose that I am a realtor who also wears another "hat" as a real estate investor and ensure that I disclose which "hat" I am wearing in that particular time.

What are some important things I should know about this place to ensure its worth investing in?

But that does mean being a sophisticated investor & doing everything you can prior to offer acceptance to ensure you close the deal.  

I was seduced by a real estate guru into attending courses costing thousands of dollars, at which point I realized the value of money and that there were better, more dollar efficient ways to learn what they were teaching.