Is this really a critical factor in seniors choosing retirement homes. 

Meaning the folks sitting at sub 25%, probably 20% DTI with cash still on hand to buy properties but choose to leverage.

If I want to instead make it so that my parents' names are exclusively on the mortgage (without mine), I'm wondering if a sale is the only way to go (the loan is not assumable) or if it's feasible to refinance to get their names onto the mortgage with me, then refinance again to get my name off of it in a year or two. 

I've read a few of the BP books written by Brandon & David Greene and they say something similar to choosing a PMC.

We teach an “investment product agnostic” strategy, focusing on educating investors on performing due diligence, establishing their own risk tolerance, and choosing their own investments.

It's an extremely clear lease clause, tenant gets discount based on painting of rooms landlord chooses.

Don't feel the need rush the process and choose the first one that comes through.

Many investors who are in a similar position in my market (another HCOL/tenant friendly area) choose 1 of 3 options.1.

Bigger pockets also have webinars on how to choose a market to invest.

Any thoughts on how to choose - what metrics to evaluate, resources to read to help?