Yeah exactly I was shocked that it fell under owner and not common area. 

While cases like this are not as common as the media makes it seem, even 1 of these horror stories is too many.Ok.. rant over... 

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Loss of rents is very common some may self insure. 

If the two of you were simply individuals owning the property as tenants in common and neither of you owned more than 50% of the entity then you could make the case that it was not a related party transaction.My fear is that if audited the exchange would fail due to the closeness of the related transaction. 

Common sense would say that's also super cheap money right now. 

buy a used coin op laundry machine and a used quarter exchange machine. you could get both for under 2k Washer/Dryer and exchanger.as far as servicing, anyone who can swap out a light fixture could maintain the entire unit with a little youtubing.I find more issues with card systems, esp if they are in the basement of a building, wifi, and card reading tend to be the most common. 

Your common area is walled off and has a door (a pocket door in your case).  

To be considered a trade or business for the qualified business income deduction, all of these must be true:Your participation in the rental activity must be regular, continuous, and substantial.You conduct the rental activity with the expectation that you'll make a profit.The rental activity is conducted in the United States or Puerto Rico.Rental activities that are considered trades or businesses include:A real estate professional who materially participates in the activityA rental to a commonly owned trade or businessRental activities that aren't considered trades or businesses include:Rentals for less than fair market value (FMV)A lease agreement in which the tenant pays for real estate taxes, insurance, and maintenanceA vacation home that's rented out and also used as a personal home

BTW, Common Day Rates range from $125 to $250 contingent on the work.