@Eric Robertson I'm the founder at Obie Insurance.

We split mortgage and are both on the loan and title. 

My first loans were at 9% .. 

This eliminates the seasoning requirement for the seller that will be required when someone else takes over their loan.

Most agency loans will expressly forbid such an arrangement, so if they found out, the odds of having the loan called would be very high. 

They then missed out on several more years of growth because they got out of the game and waited on the sidelines for things to look better. 2010 to 2012 was the period that cash investors were the players or those with IRA keep in mind investor loans were still basically non existent in those years for all those expect very well to do Investors beginners were not getting investor loans. 

Explore the possibility of doing liability insurance instead, if you don't have much equity it may be your best, and much cheaper option.  

@JD Martin taxes and insurance are not debt.

Quote from @Nicholas Dillon: I read somewhere that you can request to have your mortgage insurance dropped once your Loan to Value reaches 80%.

What really matters is how long you think you will have this loan.