The numbers certainly warrant looking into further, but they're still only part of the story.

Friendly - personable, polite and professional.... not a "friend or buddy".Fair - abide by all landlord tenant laws, communicate openly and honestly, no special favors for some tenants and not others.Firm - have the backbone to hold tenants accountable, stand by your written rental agreement.Fast - swift to do maintenance and repair, swift to address tenant concerns and swift to enforce the terms of the rental agreementFlexible - take into consideration extenuating circumstances and be flexible when it is warranted, but don't let tenants manipulate you or take control.Since your grandmother chose these tenants and is compromised because of her church relationship with them, do her a favor and take on the responsibility of addressing this issue as her agent.

Is the growth in price warranted for that area?

A non working water softener can be considered a warrantable item on the BINSR and the buyer could ask for it to be fixed.  

The fact that is not on the table and the asset has defaulted in 2014 and 2017 warrants some more digging.  

My complaint was found "legally sufficient" meaning the state feels an investigation into unlicensed brokering is warranted.

FCI looks OK, but learning how the whole process goes with a company that offers a warrant seems the more responsible route.Second question, should I purchase my first note on my own with my own cash to get experience before accepting the loan from my relative?

Once you have some cash sales, you can reach out to a lender or two and have them start working on getting your project warranted to be conventional loan ready for borrowers.  

Looking at the payment structure below you can tell it was a mistake but that still doesn't make it any better.I didn't think such a small property warranted the expenses of an attorney.

What you have is a non-warrantable condo.