I'm told this will necessitate a commercial loan which is probably in the 9% range in my area, right now.

R22 is available for less than 25 bucks a pound.http://www.budgetheating.com/Refrigerants-s/260.ht...There are also many alternative refrigerants that necessitate only some modifications to your system and not a total replacement.

They also pay their in-house PMs commission, which necessitates higher prices to the client. 

My current living situation does not necessitate a house and I like having roommates.  

You could not have anticipated that your mother 150 miles away got terminal brain cancer, necessitating that you move closer to her for her last 6-9 months alive, for example, or that there's mold that wasn't disclosed, which is making your pregnant wife ill.

Cons: Very high monthly payments would necessitate we rent out our ADU on our primary property which is undesirable because we'd have to invest a substantial amount to get it up and running, we'd no longer have use of it (we use it a lot for family and friends) and we are stuck in 30 day only market so the return is much lower than with STR. 

I often run into this situation where a handyman job exceeds $600 and therefore necessitates giving them a 1099.

A great deal of your cash throw off is subsumed into HOA fees potentially and these fees can change without your permission - additionally special assessments can be levied that can destroy any profit you have and you have no power to stop it - trying to sell a townhome / SFH or a condo with an unexpected special assessment on it or a large improvement project in the community that is projected to hike up the fees next year is challenging.Investing well necessitates your ability to pivot and retain flexibility to minimize your risk and leverage your asset or liquidate it when you need to - an HOA is not your best route.The lease restrictions in FL are so widespread because the state needs to provide economic stability to it’s residents because we have the most miles of coastline and therefore vacationers than any other state- if every residence could be rented at will it would obviously reduce the value of the property and precipitate all of the negative consequences of that.Hope that helps!

Does not necessitate accreditation proof or third party verification of investor incomes/worth.

I'm totally jumping to conclusions but there might be something in his financial or criminal records that necessitated his mother essentially hiding him from you since he would have needed a background check.