We're working with a new construction builder who has an in-house lender (Austin, Texas area).

Can’t house hack, we own a large home with lots of kids.

Gas or electric would be a much better option, safety wise, from a house fire standpoint, CO danger, or danger to children or pets from the open flames. 

It doesn't cover any loss of income due to your rental being repaired.

That means that you can buy a house on the South side -- identical to one on the North side and in its doppleganger (save race) neighborhood -- for literally a $100,000 less than you can on the North side.

If you have significant equity in your house sell it

We want her to live with us so she's more active and social, but our current house isn't suitable.

Ultimately you will have to sell your house at a discount. 

*Have a USP right of the bat to convert leads*Have a huge/constant flow of leads from investors, sellers, partners, etc.If I was doing it for houses, I'd do the same thing, just work on the leads.

Assume a couple of months of vacancy, consider potential unexpected repairs (like HVAC or plumbing issues), and test the numbers with rents dropping by 10-15%.