The click on / locking type seems like what most investors use, but repairs seem difficult without having to re-do a large area. 

In that case, you can take out cash through a loan without triggering a taxable event, even if you use that cash as a down payment on another multifamily property.

Also, have you made any significant alterations to the property or if it were put on the market today, would it be indistinguishable from a standard 4-bedoom house (are there any extra walls for the SRO, constructed locks/barriers etc.)If its a standard SFR and the leases are very short term - there is a path that you could refinance this with a DSCR as basically a Short Term Rental and then potentially change strategic course back to SRO if needed at a later date

Treasury's Janet Yellen Urged to Ensure Crypto Isn’t Russia Sanctions Workaround - Bloomberg Then you should also consider the fact that 20 million dollars in bitcoin have been donated to Ukrainians, who have been locked out of their bank accounts and credit cards and have nothing otherwise. 

Your architect can create this for you.For hot water heaters, is there a lock on the door to that room?

This was my slowest off season since the Great Recession (not counting Covid lock down periods) 2) when building up your reviews you will likely be best served by having a rate below market.  

OOS investing is good as well, but get to know your city you are looking in before pulling the trigger! 

For example, payment from a person should be automatically trigger assignment of a property to it.

Can you put some reserves into a "lock box" type account that is your money but locked at escrow for up to a period of time.  

Closed-end private equity style offerings generally have very different liquidity profile than a private credit fund (or interval funds), where the investor lock-up period is generally longer, with most of the returns being generated at exit (or back-ended).