So if you’re using 80% of the cards limit it’s bad, and you can either pay it down, or you can see if they’ll raise your limit (which so long as you haven’t been in default is often in their interest - they want you to charge as much as possible so long as you remain able to prove you can pay it back)

One unknown (example bad sewer main) can throw this into retail or above category. 

That being said, the return is decent, and if it truly doesnt need much work and you are good with the numbers, it's not a bad deal.

That neighborhood had plenty of vacant damaged homes."..these are tell tale of a bad neighborhood and a bad investment.3 words you must keep in mind in REI-1.Location. 2.

I daresay that then, your current two properties would fare at least as badly as your carefully researched next primary will.

.$8k isn't that bad, I would try to get another quote.

Sorry about bad info. 

Wanna make a good decision and not make a bad mistake and apartments are very hard to find around here.

How can you tell the difference between a good and bad deal?

As a rental unit it is pretty bad to invest in compared to apartments, the competition, and financing.