I think to much book learning at once with no action gives a person the "analysis paralysis". 

Personally I would not buy under these large distribution points.

Another option is DSCI loans this just uses property rents to qualify not your personal DTI.

Can you give me a contact person ?

It's been on the market for over 1 year sitting at $1.99m while the owners aren't in any rush to sell due to personal health conditions and squatting tenants.

Why am I being personally sued?

Personally my landlord just uses Zelle. 

You can do a side agreement between you and the person who is referring it, and they can submit an invoice to escrow.

If you have an auto liability that is ending is less than 10 months, then it will be excluded from your DTI.If you are using a DSCR loan to purchase, it won't matter as personal income, DTI, and employment are not considered for being approved for the loan.Cheers!

If you know and trust the person, then go with them, but let them do the job and step back.