It will likely be cheaper than the cost of financing.

Additionally, the cost to create a business here is not as inexpensive as the United States, in some cases it can cost thousands of dollars to setup. 

He get's principal and simple interest payments over a number of years.I'll manage the deal and the property.Looking to create a proforma for this that would fit a typical rental analysis but insert the detail of having private money cover the DP.

For example, could I use my SDIRA to operate a management company that charges my holding LLCs a management fee?

Negotiating favorable terms like a low interest rate or interest-only payments for the first few years could help manage cash flow until renovations are complete.

I agree with John, we are seeing renovation costs of $150k- $200k for a basement unit and $250k + for a coach house. 

I'm looking for super low cost, or preferably free.

Your net gain is your net sale, minus your adjust cost basis.

Also, you can't know how the cost of materials could fluctuate over your project time, so consider purchasing any materials upfront so you can stick to your budget. 

Reach out to Lisa Loesel at Short & Suite Management here in Milwaukee.