I think I will not let him make this upgrade as a 5 year payoff would require over $100/month additional rent.  

To maximize the number of transactions you’re involved in you will need to:Be Top of Mind when they think about moving - which requires consistent reminders.Be seen as an Expert – which requires a consistent message and Evidence of Success storiesGain their Trust – which requires communicating integritySo, start out by listing everyone you know in an Excel spreadsheet.

The only item I would suggest is double check the payment terms of the your HELOC... in particular, can you pay interest only or are you required to pay a portion of principle each month on the amount utilized.

Success in real estate requires courage, perseverance, and the willingness to take calculated risks.Internalize these principles and apply them in your real estate endeavors, and you will be on your path to success.

A&D has a 2nd position DSCR but not revolving - installment only.AO has a HELOC but self-employment documented for 2 years is required. 

Banks so far have required me to come in person to open account. 

Some of the new laws in the state house will require you to provide Air-Conditioning.

A conventional renovation loans will allow you to use preferred contractors, requirements are they must be simply licensed and insured.  

I found them on line and wondering how was your experience if you ussed them.response would be appreciated If you have questions about to process or what is required please feel free to reach out.

It sounds like you've done a lot of the preparation work required to hit the ground running.