It is truly remarkable the amount of frugal muscles I have developed.Thank you too @Mindy Jensen for having guests and helping spread the word of financial independence.Not all heroes wear capes, some have podcasts! 

If he is in a bad financial situation, he may just be trying to leverage the situation to buy himself time.

The listing agent will not release any financial info without a contract.

However, if you do a good job of leasing it up quickly and can demonstrate a few months solid financials, then you should have no problem refinancing.

However the monthly payments are still considerably lower than what I can afford, and I am also largely financially independent at this point in life.I scrimped and saved til about age 37....now I spend pretty freely as even doing so I have much more coming in than going out.

Freedom and financial abundance without being time constrained.

The listing agent will not release any financial info without a contract.

The cumulative effects of paying tax on your profits every year is underestimated by most — we're talking tens if not hundreds of thousands of dollars for even a modest investor over 30 years or so — and being able to defer those taxes for decades so as to reinvest all profits will be a boon to your net worth and financial position.Also, be wary of "flipping," per se, in your Solo 401(k) as you could come under the purview of the UBTI rules, with the result that you would have to pay tax, and the whole point of investing through a 401(k) is to defer tax. 

Then evaluate your financial position and what you can contribute to the purchase.

Find out what they need and solve their problem.