Also the tips on how to navigate banks and getting routed in the right department for this type of query.In a different post I saw another suggestion to engage any bank one is working with that has 1st position on the mortgages in the portfolio.

I have a mortgage in my personal name, but setup an LLC that I plan to deed the property to and manage the rentals with. 

I know I can reach out to some mortgage brokers to connect me with a private lender for most of the mortgage and then I would just need another lender to supply the down payment and renovation money.

Personally I wouldn't invest in these in today's market as you can get higher rates of return elsewhere like mortgage notes that are even more passive and have no capital calls. 

I suspect someone with cheaper rehab costs than mine purchased it with thinner margins than i seek. 

I asked one of these coaches who said her rental income is $140,000 a year if that is the gross rental income or net rental income (after mortgage payments, property taxes, insurance, repairs, vacancies, capital expenses).

Fannie Mae does not allow mortgages to be in the name of an LLC.

Does have an assumable VA mortgage (per the listing). https://www.redfin.com/TX/Dallas/4512-Sycamore-St-75204/home...

I'd consider your appreciation YOY, mortgage amortization, and your housing expense savings i.e. instead of paying $2,200 for an apartment now you're paying $1000/month since your roomates are helping cover mortgage. 

Definitely look into HELOC/cash out options, but if those don't work in terms of rates or availability I'd suggest using the existing cashflow from your multi to offset a primary mortgage, and then find a primary with an ADU.