To play devil's advocate (and keep in mind I have no skin in this since I'm in a different market):-You want to tailor to investors, then be prepared to sell at an investor price. 

I had a different lawyer for my TN and my FL properties. 

As others correctly noted, as a landlord you must look at the big picture and if this happens to be a good tenant who has occupied the unit for a while, has a history of timely payments and has expressed interest in remaining at the property the value in an extension (assuming that is advantageous to you as the landlord) should be placed above your desire to collect rent in a certain method if this particularly tenant has strong desires to make their payments in a different manner....especially if the lease they signed allowed a different payment method.

I've tried and vetted many different PMs.

It's not true and you may want to find a different CPA. 

Also if you are dealing with lower asset classes it will be different then abhigher asset class you are house hacking. 

REI is filled with lots of shiny objects and you will success stories from all these different investing methods and it can be hard to stick to a path.

Engage in networking by exploring real estate investment groups or participating in forums where you can connect with fellow investors at different levels of experience for guidance and collaboration opportunities.

Not sure what is different Are you in his course I’m not happy at all 

When investing in high cash-flow markets, I always recommend working with an investor friendly agent so you're able to gain the right insight on the different areas and the risks involved.