You just go get a license see if will benefit you. 

The benefit to this that although you may be paying more to borrow the funds, it would be a lot less headache than trying to piece it together with different investors.

I uncovered a multitude of issues (mainly cosmetic) but I have a couple of big ticket maintenance issues remaining - a slab drain leak (not supply) which was recently discovered and the home appears to need slight leveling (door jambs tight, small gap on brick outside). 

The benefit(s) of diversification will likely get washed away in the cost of management. 

The organization's main goal is to help landlords build a successful and quality business while also ensuring the landlord/tenant rights are fair throughout the commonwealth.

Again consult an attorney and/or accountant for estate planning, but one of the few earthly benefits to dying is passing on property with a step up basis meaning less taxes or even no taxes for the kids to pay out when/ if they sell they the property.

My main goal is to maximize my ability to purchase another property (3 is my goal) for next year using the BRRR method.

No it is not necessary, it is up to you to decide on the cost/benefit of such a structure.

Google WPREIA and ACRE they are our two main groups.. there are also several facebook groups that branch off of those.

This gives you debt pay down, hopefully market appreciation, forced appreciation via improvements and tax benefits, lots of tail winds.