When other agents show a property, they lock doors requested to leave unlocked, they leave windows open, they don't remove shoes when asked, leave lights on, etc.

It seems that would result in doors being left unlocked and/or...

People didn't take shoes off, left closet doors open, and left doors unlocked.

“It doesn’t change the published price,” however, and therefore does not affect area property values.Opendoor uses a smartphone app to allow potential buyers to tour its homesDigital locks allow anyone with an Opendoor smartphone app to tour a home with or without a Realtor.The app unlocks the front door, and tours are allowed between 6 a.m. and 9 p.m.Realtor Katie Tarpley, with Better Homes and Gardens Real Estate Lifestyles Realty, toured the Livery Drive home with her customers.They liked the home and made an offer, she said.

Or if you have a need for working capital and equity trapped in a property that you want to unlock, you could give a 2nd lien position in exchange for private debt.

if your real goal is to scale and acquire more units it might be the time to sell it, unlock the equity you’ve gained and buy up.

Bust out a window, kick down a door, really anything is cheaper than just letting it sit because the door won't unlock. 

More than one may work for you.If you sell to unlock your equity, you incur transaction costs (not as high since you have a license now); if you refinance, you incur refinance costs; if you buy a property in cash no bank will be involved to perform a risk analysis for you so you will have to be prepared to lead that process on your own; if you are fixing and flipping, you have to invest time managing / overseeing the work on site almost daily; ... the point here is simply that each scenario and each step has pros and cons that you have to determine how best they work for you (or visa versa).As far as the "anticipated property market crash" it is hard to predict. 

I leave the doors unlocked and the keys on the table, and I have had several fishermen leave me beer and fish. 

I receive quarterly distributions while the operator works to unlock value from increasing efficiency and make modest rent increases.