If the unit has been occupied on a ongoing bases for some time all you need to do is properly maintain the existing services until something fails and requires replacement.

If there is nothing I the lease about maintaining the property and running a convenience store out of their home, sorry but that's on you, or whoever wrote up your lease.

Then maintain a consistent policy on your approvals.

Generally though, I break it down into the "five pillars" of protecting your assets.The first pillar is avoiding unnecessary and risky activities (don't drink and drive, insurance generally won’t cover your poor decisions) and take good care of your investments(maintain your property, etc) - these simple steps will help you prevent lawsuits before they even occur.

Hey Seyi, to start with, I wouldn't use a WY LLC simply because they're more expensive to maintain than others, but then a trust would work well WITH any LLC. 

The activities of wife with respect to the rental properties included, among other things, cleaning common areas, collecting coins from washing machines, performing repairs at the properties, communicating with tenants, collecting and depositing rent, maintaining insurance policies, purchasing materials for the properties, as needed, paying bills and keeping books and records for tax accounting purposes.

Easy money and they are paying you to maintain your property. 

If you are unable to make the loan payments or the value of the rental property decreases, you could potentially lose your home.Another risk to consider is that, as a landlord, you are responsible for maintaining the property and handling any issues that may arise, such as repairs or tenant disputes.

Just make sure the property has been properly maintained over time and nothing major has been deferred for the new owner to deal with. 

This is why inspections are completed to keep landlords honest and not to abuse the system ( fix or maintain nothing and keep cashing checks ).