You can get a normal owner occupied home loan to do this. 

Is it best to just throw cash flow at the loan untill the principal is paid off (current cash flow between the two properties after interest and all expenses are paid plus vacancy rate = about $250 left monthly) refinance at renewal to pay it back in full? 

If someone has a 2.5% loan they ain’t gonna move get less house just to pay more in interest.

Several have mentioned utilizing low down payment second home loans for qualifying.

@Robert EllisAre you leveraging construction-to-permanent loans or private funding?

If that's what you're really after I would start with the basics of what kind of bank loans either residential or commercial are available to you - not saying this is the best option, but it's a good place to start.

Investment Info:Single-family residence private money loan investment.

The only way to pay down a loan, is to pay down a loan.

Early in my career I worked on cattle ranches, then started doing farm and ranch loans for seven years, and now have been doing hard money lending and other real estate investing.

I was told by Wagner that the builder is trying to refinance the construction loan as the cost of construction has increased.