As long as rent gets paid I don't actually care who is and is not on assistance. 

Short-term Ownership:The flipper's primary goal is profit, not creating a long-term, quality home.

My goal is long-term appreciation on a property w/sufficient cash flow to make a long-term hold practical.

.: Have you read "Long-Distance Real Estate Investing" by David Greene?

If you're trying to avoid a balloon payment - a long term DSCR would be best for you.

Is there a commute that's so long and arduous that people turn away from Boston and decide to work on central Maine and New Hampshire, trading off some income for quality of life?

just be cautious when it comes to using these. ensure you've got a plan to pay that balance back in a relatively quick fashion as most HELOC rates can fluctuate which could make the numbers suddenly not work. i've leveraged mine in instances where i'm doing a BRRR and i want the deposit for a private money loan. i'm not using it as my downpayment and leaving it out there for a long period of time. 

They also said they offer fully amortized long term loans!

Going over your numbers, have you considered a long term rental instead?

I want to make sure I form it correctly to avoid any headaches in the long term.