Basically types of deals where you will pay the money back quickly, but I have heard of some folks getting financing for longer term with lower rates. 

How do you become that agent who gets these types of leads and therefore listings? 

I have three DSCR loans and that is what I would use for the type of real estate you are describing.

Also for reference, pretty typical SFH flip type properties in my market are about $300k - $400k price tag.  

Hi - you sound like a perfect candidate for the "DSCR Loan" option - its the loan type thats popular wwith investors and one of the big reasons why is the exact situation you are describing - running into DTI troubles. 

She was the type of person who thought that by paying rent she becomes an owner of the property.

Perhaps with a sample property of the type we are seeking.  

Best to involve attorneys/lawyers as well, but it depends on the type of financing you get.  

What type of POS are you that you would do this to people....

Their role is purely administrative, so if you file incorrectly or choose the wrong entity type, you’re on your own.3.Hiring a Lawyer or CPA (White-Glove Service):This is the most comprehensive option, with costs ranging from $1,000 to $3,000.