If you're going to stay in Westchester, you'll have more options on the market this time around than when you first used the househack strategy.

The 10 doors are also not appreciating because they were turnkey and the 1 door is in a vacation area and appreciating.You should be hunting assets because strong assets give you multiple options.

Hey Madina,DSCR is a great option, especially if you want to purchase the property under an LLC.

There are many different options to house hack in MD, and I'm looking at a few options right now for another buyer.

There are Cash, Wraps, Seller Financing, Carrybacks, Contract for Deed, Lease Options and of course, FHA, VA, Conventional loans, HELOCS and commercial among other approaches.

Cross reference with employers with higher education off linkedin (use an API), and see if there's a correlation between housing prices in districts which are being gentrified, school ratings over that time period, and housing prices (in fact maybe there's another correlation between if these employers work for recently IPO'd companies and are exercising fresh options to purchase real estate).

Try to narrow down your options to the top 3-4.

Although I have knowledge and experience in my local market, I am most interested in some out-of-state options as I like those opportunities better than what I have locally but know little about where to begin evaluating those markets and the pros and cons of the different states.

It's a last chance option to bail out if their residence is a pit of despair.- Require renters insurance and ensure you are an "additional insured." 

Your budget of $600k would afford you a number of other options in the Myrtle Beach and North Myrtle Beach markets.