Are there certain key features to keep my eye out for besides making the numbers work?

If you become a Pro member there are also a lot of other forms including rental applications, pay or vacate notices, estoppel agreements, the list goes on.... in my eyes it's a solid investment to give you the tools to succeed right off the rip.Good luck man

I wouldn't do it unless you were 100% fluent, capable of handling time differences, and traveling there regularly to keep an eye on things.

Also, I'm not sure if it's because of FF, but the photos look warped and fish eyed.

I have been analyzing this deal for some time now but I need a set of experienced eyes to give unthought of advice. 

Also, being that this will be my first property, I have my eye on an est.6 unit for around 600,000$.

In Cleveland we tend to get a lot of investors looking at us with "out of state eyes".

., the property itself) is vital since, in the lender’s eyes, it is the source of repayment if the cash flow should dry-up.

That way all you would need to do is keep an eye on the books and accounts and review the PMS reports on a weekly or monthly basis. 

Keep an eye out for good deals, because a bank may be willing to finance based on other things (most will take 75% of the rent on a signed lease and apply it to your monthly income).