In-house means more control—you’ll manage everything from printing and stuffing envelopes to postage.

First step would be to talk to the controlling government body about what you can do with it.

No rent control. 

You have a LOT more control of cash-flow than you do appreciation.

They need to do all their due diligence including understanding the value that will be added by the ADU, the finance options available, the consequences of adding the ADU (rent control, property taxes, rental limitations, etc), etc.Good luck

There will always be some sense of resentment or issues that you leveraged control ect.

If you have only 2-3 rental properties, I would recommend taking full control of management at once rather than transitioning one at a time.

Quote from @Madelyn Felix: Are any property managers (with 20+ doors) controlling access for all of their properties under management remotely with smart locks-in one system? 

If you buy a $100,000 home for cash, your $100,000 controls $100,000 in assets.

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