Yes some folks could argue they are the best realtor in the planet, but if one company thru efficiency process could save seller $35k, they would flock to the alternative.  

Email is the easiest way to do it and it is overwhelming sometimes but it is the best option, no other alternatives.

DSCR Rates are going to vary by quite a bit based on multiple factors (more than conventional), primarily FICO, LTV and DSCR - but also buydowns, prepayment penalties, and some alternative structures.That being said, I would say the average rate right now is around 7.5%, but can vary all the way down to 6% or higher than 9% for some special cases (like Multifamily 5+ or Mixed Use)Heres a couple articles on what goes into DSCR Rates (in addition to market) that hopefully helps!

They may be able to help negotiate with the lender on your behalf or provide alternative solutions to mitigate the impact of the increased escrow shortage.Additionally, you could explore refinancing your mortgage with a different lender to potentially lower your monthly payments and escrow requirements.

I'll find an alternate venue

Are there alternative strategies to leverage my current investments for this purchase?

Consult a mortgage lender with experience in FHA loans to learn more about your financing alternatives and obtain a preapproval.Implement Your House Hacking Strategy: After locating a suitable property and obtaining funding, carry out your house hacking strategy.

Alternatively, I could maybe outsource just the liability component and still save a ton on premiums.10k deductibles are not usually an option.

I personally like the exit plan options and alternate job creating industries of college/mid sized towns as long as the regulatory environment is favorable. 

Alternatively, if I left the unit as is, or added a bedroom for a much smaller cost by removing the dining room, I could rent the entire unit out on a short or medium term basis, for at or above the monthly cost, then look for a separate house hack with a bath already installed.