That is the benefit to the landlord, and the disadvantage to a month to month tenant... rent can be changed at any time.  

Consider if it will truly benefit your tax position, liability protection, or asset management, or if it will just add unnecessary paperwork.If you’re in a state like California, keep in mind that you’ll have to pay $800 annually to the Franchise Tax Board, file a periodic Statement of Information (SOI), and submit a Beneficial Ownership Information (BOI) report.It’s a good idea to consult a real estate attorney to ensure you’re making the best decision for your specific needs.

There's no benefit to starting a PM company just to manage your own investments.

Not only that but it would give them a taste of their own medicine and may even prevent them from repeating the action in the future.I mean, why pay off a squatter for keys you’re just giving them incentive to repeat it, just pay someone else’s who will benefit you instead. 

I believe you can benefit from his course(s).  

Renovating your personal home has several advantages that can be difficult to quantify since you experience the most benefit directly.

Exclusions.Certain work, such as time spent as an investor reviewing financial statements or participating in management decisions without active involvement, may not count towards the 750-hour requirement.As always, talk to your CPA to make sure that you meet the criteria above.If you do, there are many helpful benefits to you.

How important is it to get with CPA to assist with tax benefits.

Cheers,PatCost segregation will likely yield benefits as well 

If this is the same person you've worked with for years and have a good working relationship I would first give them the benefit of the doubt and reach out to two other accountants to see if they will do a complimentary review of you previous tax returns.