Potential high growth returns but likely more management headaches? 

So in the end, you either get the property or get a high return on the investment. 2.

Your Cash on Cash Return is non existent.  

Unless you're planning on significant appreciation or rent increases this is likely a loser, although ultimately I would decide based on the potential internal rate of return for the duration of the investment, to see whether you can invest that money for a better return elsewhere.    

If your other rental properties at least break even on your tax returns, perhaps your wife could qualify for the new one on her own.

Due to the fact we have not filed our 2018 returns this year we are having trouble getting a mortgage.

Not really...I've had trouble finding it...I am trying to find deals that offer at least 10% cash on cash returns and it's a challenge

The years to pay off due to higher rent will probably be a pretty low return. 

Account Closed i don't trust anything when it comes to sellers and brokers.you need to verify as much as you can. with rent roll, you want to make sure that you know what rents are currently paid, not just Physical occupancy But also Economic occupancy - that means tenants that actually paying rents. you can verify these by asking for bank statements, and schedule 1from the TAX Return. 

The income and expenses were all recorded in the LLC accounting and on the LLC tax return (we have a multi-member LLC and so file a partnership return...form 1065).