Their children (now in their late 40s) inherited the house, but they have not listed it on the market, and I heard that neither is willing to move into it from their current setup, so the property has been sitting vacant.

Additionally, there's growing interest in cryptocurrency as an alternative asset class, though it comes with higher volatility and risk.

I should add it will be a short term rental property. 

Selling for 74k

If you own a 2-flat with an additional non-conforming garden unit (basement) being rented, and you're considering a cash-out refinance, how will the lender evaluate the rental income?

Additionally, depreciation deductions on the multifamily property could offset a portion of your rental income, further enhancing returns.Key considerations:- Financing the multifamily: Would you go all-cash or use financing?

I should have ran the plumbing for it even if I didn't plan to add it.  

In my market the valuation with f/f non commercial financing is typically lower than the hands off cost of adding the ADU.  

Just do thorough research on the local market and have a solid plan for managing the properties remotely.Good luck!

In addition to offering "cash for keys" assure them that they can use you as a referral on their next tenant application, or offer them a short term-2 month lease.